131086155 has 16 divisors (see below), whose sum is σ = 210057984. Its totient is φ = 69805920.

The previous prime is 131086139. The next prime is 131086159. The reversal of 131086155 is 551680131.

It is not a de Polignac number, because 131086155 - 2⁴ = 131086139 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4042 + ... + 16688.

It is an arithmetic number, because the mean of its divisors is an integer number (13128624).

Almost surely, 2^131086155 is an apocalyptic number.

131086155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131086155 is a deficient number, since it is larger than the sum of its proper divisors (78971829).

131086155 is a wasteful number, since it uses less digits than its factorization.

131086155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 131086155 is about 11449.2862222935. The cubic root of 131086155 is about 507.9866218293.

The spelling of 131086155 in words is "one hundred thirty-one million, eighty-six thousand, one hundred fifty-five".