131713706 has 4 divisors (see below), whose sum is σ = 197570562. Its totient is φ = 65856852.

The previous prime is 131713697. The next prime is 131713711. The reversal of 131713706 is 607317131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 98823481 + 32890225 = 9941^2 + 5735^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32928425 + ... + 32928428.

Almost surely, 2^131713706 is an apocalyptic number.

131713706 is a deficient number, since it is larger than the sum of its proper divisors (65856856).

131713706 is an equidigital number, since it uses as much as digits as its factorization.

131713706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65856855.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 131713706 is about 11476.6591828807. The cubic root of 131713706 is about 508.7959627010.

The spelling of 131713706 in words is "one hundred thirty-one million, seven hundred thirteen thousand, seven hundred six".