131400956 has 12 divisors (see below), whose sum is σ = 243478368. Its totient is φ = 61835712.

The previous prime is 131400901. The next prime is 131400959. The reversal of 131400956 is 659004131.

It is a super-3 number, since 3×131400956³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131400959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966116 + ... + 966251.

It is an arithmetic number, because the mean of its divisors is an integer number (20289864).

Almost surely, 2^131400956 is an apocalyptic number.

It is an amenable number.

131400956 is a deficient number, since it is larger than the sum of its proper divisors (112077412).

131400956 is a wasteful number, since it uses less digits than its factorization.

131400956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932388 (or 1932386 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 131400956 is about 11463.0256040890. The cubic root of 131400956 is about 508.3929369389.

The spelling of 131400956 in words is "one hundred thirty-one million, four hundred thousand, nine hundred fifty-six".