1315797044 has 24 divisors (see below), whose sum is σ = 2425100160. Its totient is φ = 622947456.

The previous prime is 1315797031. The next prime is 1315797047. The reversal of 1315797044 is 4407975131.

It is a junction number, because it is equal to n+sod(n) for n = 1315796992 and 1315797010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315797047) 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, 207164 + ... + 213420.

It is an arithmetic number, because the mean of its divisors is an integer number (101045840).

Almost surely, 2^1315797044 is an apocalyptic number.

It is an amenable number.

1315797044 is a deficient number, since it is larger than the sum of its proper divisors (1109303116).

1315797044 is a wasteful number, since it uses less digits than its factorization.

1315797044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047 (or 9045 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1315797044 is about 36273.9168549524. The cubic root of 1315797044 is about 1095.7958099459.

The spelling of 1315797044 in words is "one billion, three hundred fifteen million, seven hundred ninety-seven thousand, forty-four".