913393144 has 16 divisors (see below), whose sum is σ = 1726099200. Its totient is φ = 453100032.

The previous prime is 913393141. The next prime is 913393147. The reversal of 913393144 is 441393319.

It is an interprime number because it is at equal distance from previous prime (913393141) and next prime (913393147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913393141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448489 + ... + 450520.

It is an arithmetic number, because the mean of its divisors is an integer number (107881200).

Almost surely, 2^913393144 is an apocalyptic number.

It is an amenable number.

913393144 is a deficient number, since it is larger than the sum of its proper divisors (812706056).

913393144 is a wasteful number, since it uses less digits than its factorization.

913393144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899142 (or 899138 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 913393144 is about 30222.3947429716. The cubic root of 913393144 is about 970.2550588703.

The spelling of 913393144 in words is "nine hundred thirteen million, three hundred ninety-three thousand, one hundred forty-four".