91142076 has 12 divisors (see below), whose sum is σ = 212664872. Its totient is φ = 30380688.

The previous prime is 91142059. The next prime is 91142081. The reversal of 91142076 is 67024119.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3797575 + ... + 3797598.

Almost surely, 2^91142076 is an apocalyptic number.

It is an amenable number.

91142076 is an abundant number, since it is smaller than the sum of its proper divisors (121522796).

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

91142076 is a wasteful number, since it uses less digits than its factorization.

91142076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595180 (or 7595178 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 91142076 is about 9546.8359156319. The cubic root of 91142076 is about 450.0281068864.

The spelling of 91142076 in words is "ninety-one million, one hundred forty-two thousand, seventy-six".