131517007746 has 32 divisors (see below), whose sum is σ = 266235863040. Its totient is φ = 43305491664.

The previous prime is 131517007723. The next prime is 131517007771. The reversal of 131517007746 is 647700715131.

It is a happy number.

It is a super-2 number, since 2×131517007746² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131517007698 and 131517007707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8050975 + ... + 8067293.

It is an arithmetic number, because the mean of its divisors is an integer number (8319870720).

Almost surely, 2^131517007746 is an apocalyptic number.

131517007746 is an abundant number, since it is smaller than the sum of its proper divisors (134718855294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131517007746 is a wasteful number, since it uses less digits than its factorization.

131517007746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32590.

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 131517007746 in words is "one hundred thirty-one billion, five hundred seventeen million, seven thousand, seven hundred forty-six".