1137232440 has 64 divisors (see below), whose sum is σ = 3790778400. Its totient is φ = 303261696.

The previous prime is 1137232429. The next prime is 1137232451. The reversal of 1137232440 is 442327311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1137232429) and next prime (1137232451).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 525417 + ... + 527576.

Almost surely, 2^1137232440 is an apocalyptic number.

1137232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137232440 is an abundant number, since it is smaller than the sum of its proper divisors (2653545960).

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

1137232440 is a wasteful number, since it uses less digits than its factorization.

1137232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053013 (or 1053003 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1137232440 is about 33722.8771014574. The cubic root of 1137232440 is about 1043.7978866241.

Adding to 1137232440 its reverse (442327311), we get a palindrome (1579559751).

The spelling of 1137232440 in words is "one billion, one hundred thirty-seven million, two hundred thirty-two thousand, four hundred forty".