131549883 has 4 divisors (see below), whose sum is σ = 175399848. Its totient is φ = 87699920.

The previous prime is 131549879. The next prime is 131549897. The reversal of 131549883 is 388945131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388945131 = 3 ⋅129648377.

It is a cyclic number.

It is not a de Polignac number, because 131549883 - 2² = 131549879 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131549683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21924978 + ... + 21924983.

It is an arithmetic number, because the mean of its divisors is an integer number (43849962).

Almost surely, 2^131549883 is an apocalyptic number.

131549883 is a deficient number, since it is larger than the sum of its proper divisors (43849965).

131549883 is an equidigital number, since it uses as much as digits as its factorization.

131549883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43849964.

The product of its digits is 103680, while the sum is 42.

The square root of 131549883 is about 11469.5197371119. The cubic root of 131549883 is about 508.5849316073.

The spelling of 131549883 in words is "one hundred thirty-one million, five hundred forty-nine thousand, eight hundred eighty-three".