131255026 has 12 divisors (see below), whose sum is σ = 229026798. Its totient is φ = 56252112.

The previous prime is 131254987. The next prime is 131255029. The reversal of 131255026 is 620552131.

It can be written as a sum of positive squares in only one way, i.e., 90231001 + 41024025 = 9499^2 + 6405^2 .

It is not an unprimeable number, because it can be changed into a prime (131255029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669571 + ... + 669766.

Almost surely, 2^131255026 is an apocalyptic number.

131255026 is a deficient number, since it is larger than the sum of its proper divisors (97771772).

131255026 is a wasteful number, since it uses less digits than its factorization.

131255026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339353 (or 1339346 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 131255026 is about 11456.6585879130. The cubic root of 131255026 is about 508.2046651920.

The spelling of 131255026 in words is "one hundred thirty-one million, two hundred fifty-five thousand, twenty-six".