1137534640 has 40 divisors (see below), whose sum is σ = 2885203728. Its totient is φ = 413648640.

The previous prime is 1137534613. The next prime is 1137534641. The reversal of 1137534640 is 464357311.

1137534640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1137534596 and 1137534605.

It is not an unprimeable number, because it can be changed into a prime (1137534641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645447 + ... + 647206.

Almost surely, 2^1137534640 is an apocalyptic number.

1137534640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137534640 is an abundant number, since it is smaller than the sum of its proper divisors (1747669088).

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

1137534640 is a wasteful number, since it uses less digits than its factorization.

1137534640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292677 (or 1292671 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1137534640 is about 33727.3574416971. The cubic root of 1137534640 is about 1043.8903355595.

The spelling of 1137534640 in words is "one billion, one hundred thirty-seven million, five hundred thirty-four thousand, six hundred forty".