131339954 has 8 divisors (see below), whose sum is σ = 200239788. Its totient is φ = 64593360.

The previous prime is 131339953. The next prime is 131339969. The reversal of 131339954 is 459933131.

It can be written as a sum of positive squares in 2 ways, for example, as 84732025 + 46607929 = 9205^2 + 6827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131339953) 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, 538157 + ... + 538400.

Almost surely, 2^131339954 is an apocalyptic number.

131339954 is a deficient number, since it is larger than the sum of its proper divisors (68899834).

131339954 is a wasteful number, since it uses less digits than its factorization.

131339954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076620.

The product of its digits is 43740, while the sum is 38.

The square root of 131339954 is about 11460.3644793698. The cubic root of 131339954 is about 508.3142521071.

The spelling of 131339954 in words is "one hundred thirty-one million, three hundred thirty-nine thousand, nine hundred fifty-four".