131902902207 has 6 divisors (see below), whose sum is σ = 190526414312. Its totient is φ = 87935268132.

The previous prime is 131902902181. The next prime is 131902902223. The reversal of 131902902207 is 702209209131.

It is not a de Polignac number, because 131902902207 - 2²⁶ = 131835793343 is a prime.

It is a super-2 number, since 2×131902902207² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131902902407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7327939003 + ... + 7327939020.

Almost surely, 2^131902902207 is an apocalyptic number.

131902902207 is a deficient number, since it is larger than the sum of its proper divisors (58623512105).

131902902207 is a wasteful number, since it uses less digits than its factorization.

131902902207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14655878029 (or 14655878026 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 131902902207 in words is "one hundred thirty-one billion, nine hundred two million, nine hundred two thousand, two hundred seven".