131335893 has 12 divisors (see below), whose sum is σ = 204300460. Its totient is φ = 80822016.

The previous prime is 131335877. The next prime is 131335913. The reversal of 131335893 is 398533131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33385284 + 97950609 = 5778^2 + 9897^2 .

It is not a de Polignac number, because 131335893 - 2⁴ = 131335877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131335823) 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, 561148 + ... + 561381.

Almost surely, 2^131335893 is an apocalyptic number.

131335893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131335893 is a deficient number, since it is larger than the sum of its proper divisors (72964567).

131335893 is a wasteful number, since it uses less digits than its factorization.

131335893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122548 (or 1122545 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 131335893 is about 11460.1873021343. The cubic root of 131335893 is about 508.3090130680.

The spelling of 131335893 in words is "one hundred thirty-one million, three hundred thirty-five thousand, eight hundred ninety-three".