91459137 has 48 divisors (see below), whose sum is σ = 156148992. Its totient is φ = 47083680.

The previous prime is 91459117. The next prime is 91459139. The reversal of 91459137 is 73195419.

It is a happy number.

It is not a de Polignac number, because 91459137 - 2⁶ = 91459073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91459095 and 91459104.

It is not an unprimeable number, because it can be changed into a prime (91459139) 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 47 ways as a sum of consecutive naturals, for example, 263398 + ... + 263744.

It is an arithmetic number, because the mean of its divisors is an integer number (3253104).

Almost surely, 2^91459137 is an apocalyptic number.

It is an amenable number.

91459137 is a deficient number, since it is larger than the sum of its proper divisors (64689855).

91459137 is a wasteful number, since it uses less digits than its factorization.

91459137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 531 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 91459137 is about 9563.4270531018. The cubic root of 91459137 is about 450.5493488487.

It can be divided in two parts, 914591 and 37, that added together give a triangular number (914628 = T₁₃₅₂).

The spelling of 91459137 in words is "ninety-one million, four hundred fifty-nine thousand, one hundred thirty-seven".