91367136 has 96 divisors (see below), whose sum is σ = 304577280. Its totient is φ = 26103168.

The previous prime is 91367117. The next prime is 91367141. The reversal of 91367136 is 63176319.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 91367136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506 + ... + 13601.

It is an arithmetic number, because the mean of its divisors is an integer number (3172680).

Almost surely, 2^91367136 is an apocalyptic number.

91367136 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91367136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152288640).

91367136 is an abundant number, since it is smaller than the sum of its proper divisors (213210144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91367136 is a wasteful number, since it uses less digits than its factorization.

91367136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15133 (or 15119 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 91367136 is about 9558.6157993718. The cubic root of 91367136 is about 450.3982252664.

The spelling of 91367136 in words is "ninety-one million, three hundred sixty-seven thousand, one hundred thirty-six".