131795849 has 24 divisors (see below), whose sum is σ = 148067328. Its totient is φ = 117112320.

The previous prime is 131795843. The next prime is 131795861. The reversal of 131795849 is 948597131.

It is a de Polignac number, because none of the positive numbers 2^k-131795849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131795843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420917 + ... + 421229.

It is an arithmetic number, because the mean of its divisors is an integer number (6169472).

Almost surely, 2^131795849 is an apocalyptic number.

It is an amenable number.

131795849 is a deficient number, since it is larger than the sum of its proper divisors (16271479).

131795849 is a wasteful number, since it uses less digits than its factorization.

131795849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 408 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 131795849 is about 11480.2373233309. The cubic root of 131795849 is about 508.9017105962.

The spelling of 131795849 in words is "one hundred thirty-one million, seven hundred ninety-five thousand, eight hundred forty-nine".