1372687131 has 16 divisors (see below), whose sum is σ = 1894464000. Its totient is φ = 883054368.

The previous prime is 1372687067. The next prime is 1372687171. The reversal of 1372687131 is 1317862731.

It is not a de Polignac number, because 1372687131 - 2⁶ = 1372687067 is a prime.

It is a super-2 number, since 2×1372687131² = 3768539919226022322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1372687131.

It is not an unprimeable number, because it can be changed into a prime (1372687171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195520 + ... + 202418.

It is an arithmetic number, because the mean of its divisors is an integer number (118404000).

Almost surely, 2^1372687131 is an apocalyptic number.

1372687131 is a deficient number, since it is larger than the sum of its proper divisors (521776869).

1372687131 is a wasteful number, since it uses less digits than its factorization.

1372687131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218.

The product of its digits is 42336, while the sum is 39.

The square root of 1372687131 is about 37049.7925905126. The cubic root of 1372687131 is about 1111.3662075395.

The spelling of 1372687131 in words is "one billion, three hundred seventy-two million, six hundred eighty-seven thousand, one hundred thirty-one".