131335677 has 12 divisors (see below), whose sum is σ = 206953344. Its totient is φ = 79597320.

The previous prime is 131335667. The next prime is 131335703. The reversal of 131335677 is 776533131.

It is a happy number.

It is not a de Polignac number, because 131335677 - 2¹⁰ = 131334653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131335637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663213 + ... + 663410.

It is an arithmetic number, because the mean of its divisors is an integer number (17246112).

Almost surely, 2^131335677 is an apocalyptic number.

It is an amenable number.

131335677 is a deficient number, since it is larger than the sum of its proper divisors (75617667).

131335677 is a wasteful number, since it uses less digits than its factorization.

131335677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326640 (or 1326637 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 131335677 is about 11460.1778782007. The cubic root of 131335677 is about 508.3087344064.

The spelling of 131335677 in words is "one hundred thirty-one million, three hundred thirty-five thousand, six hundred seventy-seven".