913039091 has 8 divisors (see below), whose sum is σ = 970611600. Its totient is φ = 856418400.

The previous prime is 913039079. The next prime is 913039117. The reversal of 913039091 is 190930319.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 913039091 - 2¹⁸ = 912776947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913039031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235976 + ... + 239813.

It is an arithmetic number, because the mean of its divisors is an integer number (121326450).

Almost surely, 2^913039091 is an apocalyptic number.

913039091 is a deficient number, since it is larger than the sum of its proper divisors (57572509).

913039091 is a wasteful number, since it uses less digits than its factorization.

913039091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475909.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 913039091 is about 30216.5367141901. The cubic root of 913039091 is about 970.1296779899.

The spelling of 913039091 in words is "nine hundred thirteen million, thirty-nine thousand, ninety-one".