89745131 has 8 divisors (see below), whose sum is σ = 103019520. Its totient is φ = 76584168.

The previous prime is 89745127. The next prime is 89745133. The reversal of 89745131 is 13154798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89745131 - 2² = 89745127 is a prime.

It is a super-2 number, since 2×89745131² = 16108377076414322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89745133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26651 + ... + 29828.

It is an arithmetic number, because the mean of its divisors is an integer number (12877440).

Almost surely, 2^89745131 is an apocalyptic number.

89745131 is a deficient number, since it is larger than the sum of its proper divisors (13274389).

89745131 is a wasteful number, since it uses less digits than its factorization.

89745131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56713.

The product of its digits is 30240, while the sum is 38.

The square root of 89745131 is about 9473.3906812714. The cubic root of 89745131 is about 447.7170483562.

The spelling of 89745131 in words is "eighty-nine million, seven hundred forty-five thousand, one hundred thirty-one".