131944806 has 48 divisors (see below), whose sum is σ = 334702368. Its totient is φ = 36777600.

The previous prime is 131944793. The next prime is 131944807. The reversal of 131944806 is 608449131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131944807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7605 + ... + 17936.

It is an arithmetic number, because the mean of its divisors is an integer number (6972966).

Almost surely, 2^131944806 is an apocalyptic number.

131944806 is an abundant number, since it is smaller than the sum of its proper divisors (202757562).

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

131944806 is a wasteful number, since it uses less digits than its factorization.

131944806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25597 (or 25594 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 131944806 is about 11486.7230313959. The cubic root of 131944806 is about 509.0933603643.

The spelling of 131944806 in words is "one hundred thirty-one million, nine hundred forty-four thousand, eight hundred six".