131413640051 has 4 divisors (see below), whose sum is σ = 131898561504. Its totient is φ = 130928718600.

The previous prime is 131413640047. The next prime is 131413640093. The reversal of 131413640051 is 150046314131.

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 131413640051 - 2² = 131413640047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131413639996 and 131413640023.

It is not an unprimeable number, because it can be changed into a prime (131413640951) 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, 242460320 + ... + 242460861.

It is an arithmetic number, because the mean of its divisors is an integer number (32974640376).

Almost surely, 2^131413640051 is an apocalyptic number.

131413640051 is a deficient number, since it is larger than the sum of its proper divisors (484921453).

131413640051 is an equidigital number, since it uses as much as digits as its factorization.

131413640051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484921452.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 131413640051 its reverse (150046314131), we get a palindrome (281459954182).

The spelling of 131413640051 in words is "one hundred thirty-one billion, four hundred thirteen million, six hundred forty thousand, fifty-one".