131104889 has 4 divisors (see below), whose sum is σ = 132377856. Its totient is φ = 129831924.

The previous prime is 131104877. The next prime is 131104913. The reversal of 131104889 is 988401131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 988401131 = 17 ⋅58141243.

It is a cyclic number.

It is not a de Polignac number, because 131104889 - 2²⁴ = 114327673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131104489) 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, 636329 + ... + 636534.

It is an arithmetic number, because the mean of its divisors is an integer number (33094464).

Almost surely, 2^131104889 is an apocalyptic number.

It is an amenable number.

131104889 is a deficient number, since it is larger than the sum of its proper divisors (1272967).

131104889 is a wasteful number, since it uses less digits than its factorization.

131104889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272966.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 131104889 is about 11450.1043226689. The cubic root of 131104889 is about 508.0108200828.

The spelling of 131104889 in words is "one hundred thirty-one million, one hundred four thousand, eight hundred eighty-nine".