131090502 has 32 divisors (see below), whose sum is σ = 278964864. Its totient is φ = 40924800.

The previous prime is 131090461. The next prime is 131090513. The reversal of 131090502 is 205090131.

It is a super-2 number, since 2×131090502² = 34369439429224008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18477 + ... + 24567.

It is an arithmetic number, because the mean of its divisors is an integer number (8717652).

Almost surely, 2^131090502 is an apocalyptic number.

131090502 is an abundant number, since it is smaller than the sum of its proper divisors (147874362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131090502 is a wasteful number, since it uses less digits than its factorization.

131090502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 131090502 is about 11449.4760578814. The cubic root of 131090502 is about 507.9922369492.

The spelling of 131090502 in words is "one hundred thirty-one million, ninety thousand, five hundred two".