91263132 has 48 divisors (see below), whose sum is σ = 244249600. Its totient is φ = 29438640.

The previous prime is 91263131. The next prime is 91263167. The reversal of 91263132 is 23136219.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 91263096 and 91263105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91263131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10282 + ... + 16977.

Almost surely, 2^91263132 is an apocalyptic number.

It is an amenable number.

91263132 is an abundant number, since it is smaller than the sum of its proper divisors (152986468).

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

91263132 is a wasteful number, since it uses less digits than its factorization.

91263132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27303 (or 27295 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 91263132 is about 9553.1739228384. The cubic root of 91263132 is about 450.2272629841.

The spelling of 91263132 in words is "ninety-one million, two hundred sixty-three thousand, one hundred thirty-two".