1137733987 has 8 divisors (see below), whose sum is σ = 1248370704. Its totient is φ = 1030399968.

The previous prime is 1137733973. The next prime is 1137733991. The reversal of 1137733987 is 7893377311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1137733987 - 2⁷ = 1137733859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1137733987.

It is not an unprimeable number, because it can be changed into a prime (1137733937) 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, 824953 + ... + 826330.

It is an arithmetic number, because the mean of its divisors is an integer number (156046338).

Almost surely, 2^1137733987 is an apocalyptic number.

1137733987 is a deficient number, since it is larger than the sum of its proper divisors (110636717).

1137733987 is a wasteful number, since it uses less digits than its factorization.

1137733987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651349.

The product of its digits is 666792, while the sum is 49.

The square root of 1137733987 is about 33730.3125837873. The cubic root of 1137733987 is about 1043.9513107728.

The spelling of 1137733987 in words is "one billion, one hundred thirty-seven million, seven hundred thirty-three thousand, nine hundred eighty-seven".