89136459 has 24 divisors (see below), whose sum is σ = 133651440. Its totient is φ = 57177792.

The previous prime is 89136449. The next prime is 89136493. The reversal of 89136459 is 95463198.

It is a happy number.

It is not a de Polignac number, because 89136459 - 2¹¹ = 89134411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89136409) 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, 136177 + ... + 136829.

It is an arithmetic number, because the mean of its divisors is an integer number (5568810).

Almost surely, 2^89136459 is an apocalyptic number.

89136459 is a deficient number, since it is larger than the sum of its proper divisors (44514981).

89136459 is a wasteful number, since it uses less digits than its factorization.

89136459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1208 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 89136459 is about 9441.2106744845. The cubic root of 89136459 is about 446.7025782988.

The spelling of 89136459 in words is "eighty-nine million, one hundred thirty-six thousand, four hundred fifty-nine".