131519399379 has 8 divisors (see below), whose sum is σ = 176190286272. Its totient is φ = 87264056040.

The previous prime is 131519399377. The next prime is 131519399443. The reversal of 131519399379 is 973993915131.

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

It is not a de Polignac number, because 131519399379 - 2¹ = 131519399377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131519399377) 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, 103885149 + ... + 103886414.

It is an arithmetic number, because the mean of its divisors is an integer number (22023785784).

Almost surely, 2^131519399379 is an apocalyptic number.

131519399379 is a deficient number, since it is larger than the sum of its proper divisors (44670886893).

131519399379 is a wasteful number, since it uses less digits than its factorization.

131519399379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207771777.

The product of its digits is 6200145, while the sum is 60.

The spelling of 131519399379 in words is "one hundred thirty-one billion, five hundred nineteen million, three hundred ninety-nine thousand, three hundred seventy-nine".