91067142 has 8 divisors (see below), whose sum is σ = 182134296. Its totient is φ = 30355712.

The previous prime is 91067129. The next prime is 91067159. The reversal of 91067142 is 24176019.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

91067142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 7588923 + ... + 7588934.

It is an arithmetic number, because the mean of its divisors is an integer number (22766787).

Almost surely, 2^91067142 is an apocalyptic number.

91067142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91067142 is a wasteful number, since it uses less digits than its factorization.

91067142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15177862.

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

The square root of 91067142 is about 9542.9105622970. The cubic root of 91067142 is about 449.9047403299.

The spelling of 91067142 in words is "ninety-one million, sixty-seven thousand, one hundred forty-two".