131275655 has 24 divisors (see below), whose sum is σ = 192901680. Its totient is φ = 85276800.

The previous prime is 131275619. The next prime is 131275673. The reversal of 131275655 is 556572131.

It is not a de Polignac number, because 131275655 - 2²⁰ = 130227079 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9446 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (8037570).

Almost surely, 2^131275655 is an apocalyptic number.

131275655 is a deficient number, since it is larger than the sum of its proper divisors (61626025).

131275655 is a wasteful number, since it uses less digits than its factorization.

131275655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28239 (or 28232 counting only the distinct ones).

The product of its digits is 31500, while the sum is 35.

The square root of 131275655 is about 11457.5588586749. The cubic root of 131275655 is about 508.2312881849.

It can be divided in two parts, 1312 and 75655, that added together give a palindrome (76967).

The spelling of 131275655 in words is "one hundred thirty-one million, two hundred seventy-five thousand, six hundred fifty-five".