1132400340 has 144 divisors (see below), whose sum is σ = 3519524736. Its totient is φ = 294624000.

The previous prime is 1132400303. The next prime is 1132400351. The reversal of 1132400340 is 430042311.

1132400340 is a `hidden beast` number, since 1 + 1 + 324 + 0 + 0 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1657639 + ... + 1658321.

It is an arithmetic number, because the mean of its divisors is an integer number (24441144).

Almost surely, 2^1132400340 is an apocalyptic number.

1132400340 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 1132400340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759762368).

1132400340 is an abundant number, since it is smaller than the sum of its proper divisors (2387124396).

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

1132400340 is a wasteful number, since it uses less digits than its factorization.

1132400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1132400340 is about 33651.1565923075. The cubic root of 1132400340 is about 1042.3174222643.

Adding to 1132400340 its reverse (430042311), we get a palindrome (1562442651).

The spelling of 1132400340 in words is "one billion, one hundred thirty-two million, four hundred thousand, three hundred forty".