91996134 has 16 divisors (see below), whose sum is σ = 188965488. Its totient is φ = 29836512.

The previous prime is 91996123. The next prime is 91996147. The reversal of 91996134 is 43169919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206977 + ... + 207420.

It is an arithmetic number, because the mean of its divisors is an integer number (11810343).

Almost surely, 2^91996134 is an apocalyptic number.

91996134 is an abundant number, since it is smaller than the sum of its proper divisors (96969354).

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

91996134 is a wasteful number, since it uses less digits than its factorization.

91996134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414439.

The product of its digits is 52488, while the sum is 42.

The square root of 91996134 is about 9591.4615153271. The cubic root of 91996134 is about 451.4294200871.

The spelling of 91996134 in words is "ninety-one million, nine hundred ninety-six thousand, one hundred thirty-four".