131339955 has 8 divisors (see below), whose sum is σ = 210143952. Its totient is φ = 70047968.

The previous prime is 131339953. The next prime is 131339969. The reversal of 131339955 is 559933131.

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

It is a cyclic number.

It is not a de Polignac number, because 131339955 - 2¹ = 131339953 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4377984 + ... + 4378013.

It is an arithmetic number, because the mean of its divisors is an integer number (26267994).

Almost surely, 2^131339955 is an apocalyptic number.

131339955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131339955 is a deficient number, since it is larger than the sum of its proper divisors (78803997).

131339955 is an equidigital number, since it uses as much as digits as its factorization.

131339955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8756005.

The product of its digits is 54675, while the sum is 39.

The square root of 131339955 is about 11460.3645229984. The cubic root of 131339955 is about 508.3142533971.

The spelling of 131339955 in words is "one hundred thirty-one million, three hundred thirty-nine thousand, nine hundred fifty-five".