1136972340 has 144 divisors (see below), whose sum is σ = 4112978688. Its totient is φ = 248573952.

The previous prime is 1136972339. The next prime is 1136972341. The reversal of 1136972340 is 432796311.

It is an interprime number because it is at equal distance from previous prime (1136972339) and next prime (1136972341).

It is a super-2 number, since 2×1136972340² = 2585412203850151200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1136972295 and 1136972304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136972341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9364 + ... + 48596.

It is an arithmetic number, because the mean of its divisors is an integer number (28562352).

Almost surely, 2^1136972340 is an apocalyptic number.

1136972340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136972340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056489344).

1136972340 is an abundant number, since it is smaller than the sum of its proper divisors (2976006348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1136972340 is a wasteful number, since it uses less digits than its factorization.

1136972340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39278 (or 39273 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1136972340 is about 33719.0204484057. The cubic root of 1136972340 is about 1043.7183037932.

The spelling of 1136972340 in words is "one billion, one hundred thirty-six million, nine hundred seventy-two thousand, three hundred forty".