131258855 has 16 divisors (see below), whose sum is σ = 193859904. Its totient is φ = 83082240.

The previous prime is 131258851. The next prime is 131258857. The reversal of 131258855 is 558852131.

It is not a de Polignac number, because 131258855 - 2² = 131258851 is a prime.

It is a super-2 number, since 2×131258855² = 34457774031822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131258851) 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, 143786 + ... + 144695.

It is an arithmetic number, because the mean of its divisors is an integer number (12116244).

Almost surely, 2^131258855 is an apocalyptic number.

131258855 is a deficient number, since it is larger than the sum of its proper divisors (62601049).

131258855 is a wasteful number, since it uses less digits than its factorization.

131258855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288506.

The product of its digits is 48000, while the sum is 38.

The square root of 131258855 is about 11456.8256947551. The cubic root of 131258855 is about 508.2096069628.

The spelling of 131258855 in words is "one hundred thirty-one million, two hundred fifty-eight thousand, eight hundred fifty-five".