131086156 has 12 divisors (see below), whose sum is σ = 229744368. Its totient is φ = 65444912.

The previous prime is 131086139. The next prime is 131086159. The reversal of 131086156 is 651680131.

It is not an unprimeable number, because it can be changed into a prime (131086159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21496 + ... + 26911.

It is an arithmetic number, because the mean of its divisors is an integer number (19145364).

Almost surely, 2^131086156 is an apocalyptic number.

It is an amenable number.

131086156 is a deficient number, since it is larger than the sum of its proper divisors (98658212).

131086156 is a wasteful number, since it uses less digits than its factorization.

131086156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49088 (or 49086 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 131086156 is about 11449.2862659644. The cubic root of 131086156 is about 507.9866231210.

The spelling of 131086156 in words is "one hundred thirty-one million, eighty-six thousand, one hundred fifty-six".