131737913 has 8 divisors (see below), whose sum is σ = 142120008. Its totient is φ = 121648384.

The previous prime is 131737901. The next prime is 131737937. The reversal of 131737913 is 319737131.

It can be written as a sum of positive squares in 4 ways, for example, as 93644329 + 38093584 = 9677^2 + 6172^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131737913 - 2⁴ = 131737897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131737213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72206 + ... + 74007.

It is an arithmetic number, because the mean of its divisors is an integer number (17765001).

Almost surely, 2^131737913 is an apocalyptic number.

It is an amenable number.

131737913 is a deficient number, since it is larger than the sum of its proper divisors (10382095).

131737913 is a wasteful number, since it uses less digits than its factorization.

131737913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146283.

The product of its digits is 11907, while the sum is 35.

The square root of 131737913 is about 11477.7137531827. The cubic root of 131737913 is about 508.8271304759.

The spelling of 131737913 in words is "one hundred thirty-one million, seven hundred thirty-seven thousand, nine hundred thirteen".