1136862540 has 240 divisors, whose sum is σ = 3928345344. Its totient is φ = 272937600.

The previous prime is 1136862457. The next prime is 1136862557. The reversal of 1136862540 is 452686311.

It is a happy number.

1136862540 is a `hidden beast` number, since 1 + 1 + 36 + 86 + 2 + 540 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 1136862495 and 1136862504.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 2334177 + ... + 2334663.

Almost surely, 2^1136862540 is an apocalyptic number.

1136862540 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 1136862540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964172672).

1136862540 is an abundant number, since it is smaller than the sum of its proper divisors (2791482804).

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

1136862540 is a wasteful number, since it uses less digits than its factorization.

1136862540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1136862540 is about 33717.3922479186. The cubic root of 1136862540 is about 1043.6847046296.

The spelling of 1136862540 in words is "one billion, one hundred thirty-six million, eight hundred sixty-two thousand, five hundred forty".