131055239 has 8 divisors (see below), whose sum is σ = 150138240. Its totient is φ = 112062456.

The previous prime is 131055209. The next prime is 131055241. The reversal of 131055239 is 932550131.

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 131055239 - 2²⁴ = 114278023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131055209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19409 + ... + 25274.

It is an arithmetic number, because the mean of its divisors is an integer number (18767280).

Almost surely, 2^131055239 is an apocalyptic number.

131055239 is a deficient number, since it is larger than the sum of its proper divisors (19083001).

131055239 is an equidigital number, since it uses as much as digits as its factorization.

131055239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45109.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 131055239 is about 11447.9360148456. The cubic root of 131055239 is about 507.9466833394.

The spelling of 131055239 in words is "one hundred thirty-one million, fifty-five thousand, two hundred thirty-nine".