91395132 has 12 divisors (see below), whose sum is σ = 213255336. Its totient is φ = 30465040.

The previous prime is 91395131. The next prime is 91395137. The reversal of 91395132 is 23159319.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 91395093 and 91395102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91395131) 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, 3808119 + ... + 3808142.

It is an arithmetic number, because the mean of its divisors is an integer number (17771278).

Almost surely, 2^91395132 is an apocalyptic number.

It is an amenable number.

91395132 is an abundant number, since it is smaller than the sum of its proper divisors (121860204).

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

91395132 is a wasteful number, since it uses less digits than its factorization.

91395132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616268 (or 7616266 counting only the distinct ones).

The product of its digits is 7290, while the sum is 33.

The square root of 91395132 is about 9560.0801251872. The cubic root of 91395132 is about 450.4442230638. Note that the first 3 decimals are identical.

The spelling of 91395132 in words is "ninety-one million, three hundred ninety-five thousand, one hundred thirty-two".