131401768157 has 4 divisors (see below), whose sum is σ = 143347383456. Its totient is φ = 119456152860.

The previous prime is 131401768123. The next prime is 131401768177. The reversal of 131401768157 is 751867104131.

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 131401768157 - 2¹⁴ = 131401751773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401768177) 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, 5972807633 + ... + 5972807654.

It is an arithmetic number, because the mean of its divisors is an integer number (35836845864).

Almost surely, 2^131401768157 is an apocalyptic number.

It is an amenable number.

131401768157 is a deficient number, since it is larger than the sum of its proper divisors (11945615299).

131401768157 is a wasteful number, since it uses less digits than its factorization.

131401768157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11945615298.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 131401768157 in words is "one hundred thirty-one billion, four hundred one million, seven hundred sixty-eight thousand, one hundred fifty-seven".