91063142 has 24 divisors (see below), whose sum is σ = 142500960. Its totient is φ = 43636320.

The previous prime is 91063139. The next prime is 91063177. The reversal of 91063142 is 24136019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216092 + ... + 216512.

It is an arithmetic number, because the mean of its divisors is an integer number (5937540).

Almost surely, 2^91063142 is an apocalyptic number.

91063142 is a deficient number, since it is larger than the sum of its proper divisors (51437818).

91063142 is a wasteful number, since it uses less digits than its factorization.

91063142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 91063142 is about 9542.7009803305. The cubic root of 91063142 is about 449.8981530828.

The spelling of 91063142 in words is "ninety-one million, sixty-three thousand, one hundred forty-two".