131210214139 has 4 divisors (see below), whose sum is σ = 131211760680. Its totient is φ = 131208667600.

The previous prime is 131210214127. The next prime is 131210214169. The reversal of 131210214139 is 931412012131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131210214139 - 2²⁵ = 131176659707 is a prime.

It is a super-3 number, since 3×131210214139³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131210214119) 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, 638137 + ... + 818314.

It is an arithmetic number, because the mean of its divisors is an integer number (32802940170).

Almost surely, 2^131210214139 is an apocalyptic number.

131210214139 is a deficient number, since it is larger than the sum of its proper divisors (1546541).

131210214139 is an equidigital number, since it uses as much as digits as its factorization.

131210214139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546540.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 131210214139 in words is "one hundred thirty-one billion, two hundred ten million, two hundred fourteen thousand, one hundred thirty-nine".