131724158377 has 4 divisors (see below), whose sum is σ = 150541895296. Its totient is φ = 112906421460.

The previous prime is 131724158323. The next prime is 131724158389. The reversal of 131724158377 is 773851427131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131724158377 - 2²⁷ = 131589940649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131724158377.

It is not an unprimeable number, because it can be changed into a prime (131724158677) 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, 9408868449 + ... + 9408868462.

It is an arithmetic number, because the mean of its divisors is an integer number (37635473824).

Almost surely, 2^131724158377 is an apocalyptic number.

It is an amenable number.

131724158377 is a deficient number, since it is larger than the sum of its proper divisors (18817736919).

131724158377 is an equidigital number, since it uses as much as digits as its factorization.

131724158377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18817736918.

The product of its digits is 987840, while the sum is 49.

The spelling of 131724158377 in words is "one hundred thirty-one billion, seven hundred twenty-four million, one hundred fifty-eight thousand, three hundred seventy-seven".