913120215 has 16 divisors (see below), whose sum is σ = 1669705728. Its totient is φ = 417426336.

The previous prime is 913120211. The next prime is 913120261. The reversal of 913120215 is 512021319.

It is not a de Polignac number, because 913120215 - 2² = 913120211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4348087 + ... + 4348296.

It is an arithmetic number, because the mean of its divisors is an integer number (104356608).

Almost surely, 2^913120215 is an apocalyptic number.

913120215 is a deficient number, since it is larger than the sum of its proper divisors (756585513).

913120215 is a wasteful number, since it uses less digits than its factorization.

913120215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8696398.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 913120215 is about 30217.8790619064. The cubic root of 913120215 is about 970.1584093152.

The spelling of 913120215 in words is "nine hundred thirteen million, one hundred twenty thousand, two hundred fifteen".