131890089 has 16 divisors (see below), whose sum is σ = 186437120. Its totient is φ = 82788480.

The previous prime is 131890081. The next prime is 131890091. The reversal of 131890089 is 980098131.

It is a happy number.

It is not a de Polignac number, because 131890089 - 2³ = 131890081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131890081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15724 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (11652320).

Almost surely, 2^131890089 is an apocalyptic number.

It is an amenable number.

131890089 is a deficient number, since it is larger than the sum of its proper divisors (54547031).

131890089 is a wasteful number, since it uses less digits than its factorization.

131890089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38400.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 131890089 is about 11484.3410346437. The cubic root of 131890089 is about 509.0229776193.

The spelling of 131890089 in words is "one hundred thirty-one million, eight hundred ninety thousand, eighty-nine".