1137931056 has 120 divisors (see below), whose sum is σ = 3297591024. Its totient is φ = 366059520.

The previous prime is 1137931051. The next prime is 1137931061. The reversal of 1137931056 is 6501397311.

It is an interprime number because it is at equal distance from previous prime (1137931051) and next prime (1137931061).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1137931056.

It is not an unprimeable number, because it can be changed into a prime (1137931051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571695 + ... + 573681.

Almost surely, 2^1137931056 is an apocalyptic number.

1137931056 is a gapful number since it is divisible by the number (16) 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 1137931056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648795512).

1137931056 is an abundant number, since it is smaller than the sum of its proper divisors (2159659968).

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

1137931056 is a wasteful number, since it uses less digits than its factorization.

1137931056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2130 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 1137931056 is about 33733.2337020927. The cubic root of 1137931056 is about 1044.0115822029.

The spelling of 1137931056 in words is "one billion, one hundred thirty-seven million, nine hundred thirty-one thousand, fifty-six".