131567004 has 42 divisors (see below), whose sum is σ = 345213120. Its totient is φ = 43854696.

The previous prime is 131566993. The next prime is 131567021. The reversal of 131567004 is 400765131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 19644 + ... + 25475.

It is an arithmetic number, because the mean of its divisors is an integer number (8219360).

Almost surely, 2^131567004 is an apocalyptic number.

It is an amenable number.

131567004 is an abundant number, since it is smaller than the sum of its proper divisors (213646116).

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

131567004 is an equidigital number, since it uses as much as digits as its factorization.

131567004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45141 (or 45124 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 131567004 is about 11470.2660823540. The cubic root of 131567004 is about 508.6069944798.

The spelling of 131567004 in words is "one hundred thirty-one million, five hundred sixty-seven thousand, four".