1315227604 has 24 divisors (see below), whose sum is σ = 2445375240. Its totient is φ = 617774976.

The previous prime is 1315227581. The next prime is 1315227623. The reversal of 1315227604 is 4067225131.

It can be written as a sum of positive squares in 4 ways, for example, as 310464400 + 1004763204 = 17620^2 + 31698^2 .

It is a congruent number.

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, 148927 + ... + 157510.

It is an arithmetic number, because the mean of its divisors is an integer number (101890635).

Almost surely, 2^1315227604 is an apocalyptic number.

It is an amenable number.

1315227604 is a deficient number, since it is larger than the sum of its proper divisors (1130147636).

1315227604 is a wasteful number, since it uses less digits than its factorization.

1315227604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306507 (or 306505 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1315227604 is about 36266.0668394024. The cubic root of 1315227604 is about 1095.6377105882.

The spelling of 1315227604 in words is "one billion, three hundred fifteen million, two hundred twenty-seven thousand, six hundred four".