131715719 has 4 divisors (see below), whose sum is σ = 132131544. Its totient is φ = 131299896.

The previous prime is 131715713. The next prime is 131715737. The reversal of 131715719 is 917517131.

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 131715719 - 2²⁰ = 130667143 is a prime.

It is a super-2 number, since 2×131715719² = 34698061263373922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131715713) 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, 207437 + ... + 208070.

It is an arithmetic number, because the mean of its divisors is an integer number (33032886).

Almost surely, 2^131715719 is an apocalyptic number.

131715719 is a deficient number, since it is larger than the sum of its proper divisors (415825).

131715719 is an equidigital number, since it uses as much as digits as its factorization.

131715719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415824.

The product of its digits is 6615, while the sum is 35.

The square root of 131715719 is about 11476.7468822833. The cubic root of 131715719 is about 508.7985546891.

The spelling of 131715719 in words is "one hundred thirty-one million, seven hundred fifteen thousand, seven hundred nineteen".