89736137 has 4 divisors (see below), whose sum is σ = 92161476. Its totient is φ = 87310800.

The previous prime is 89736131. The next prime is 89736139. The reversal of 89736137 is 73163798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83704201 + 6031936 = 9149^2 + 2456^2 .

It is a cyclic number.

It is not a de Polignac number, because 89736137 - 2⁸ = 89735881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89736131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212614 + ... + 1212687.

It is an arithmetic number, because the mean of its divisors is an integer number (23040369).

Almost surely, 2^89736137 is an apocalyptic number.

It is an amenable number.

89736137 is a deficient number, since it is larger than the sum of its proper divisors (2425339).

89736137 is a wasteful number, since it uses less digits than its factorization.

89736137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425338.

The product of its digits is 190512, while the sum is 44.

The square root of 89736137 is about 9472.9159713364. The cubic root of 89736137 is about 447.7020915497.

The spelling of 89736137 in words is "eighty-nine million, seven hundred thirty-six thousand, one hundred thirty-seven".