131739699 has 32 divisors (see below), whose sum is σ = 225598464. Its totient is φ = 66464640.

The previous prime is 131739661. The next prime is 131739701. The reversal of 131739699 is 996937131.

It is not a de Polignac number, because 131739699 - 2⁷ = 131739571 is a prime.

It is a super-2 number, since 2×131739699² = 34710696585221202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131739599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4212 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (7049952).

Almost surely, 2^131739699 is an apocalyptic number.

131739699 is a deficient number, since it is larger than the sum of its proper divisors (93858765).

131739699 is a wasteful number, since it uses less digits than its factorization.

131739699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21027.

The product of its digits is 275562, while the sum is 48.

The square root of 131739699 is about 11477.7915558700. The cubic root of 131739699 is about 508.8294298928.

The spelling of 131739699 in words is "one hundred thirty-one million, seven hundred thirty-nine thousand, six hundred ninety-nine".