91149002 has 16 divisors (see below), whose sum is σ = 165447360. Its totient is φ = 36765888.

The previous prime is 91148989. The next prime is 91149013. The reversal of 91149002 is 20094119.

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, 191252 + ... + 191727.

It is an arithmetic number, because the mean of its divisors is an integer number (10340460).

Almost surely, 2^91149002 is an apocalyptic number.

91149002 is a deficient number, since it is larger than the sum of its proper divisors (74298358).

91149002 is a wasteful number, since it uses less digits than its factorization.

91149002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383005.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 91149002 is about 9547.1986467236. The cubic root of 91149002 is about 450.0395059966.

The spelling of 91149002 in words is "ninety-one million, one hundred forty-nine thousand, two".