1315076728 has 16 divisors (see below), whose sum is σ = 2818021680. Its totient is φ = 563604288.

The previous prime is 1315076723. The next prime is 1315076729. The reversal of 1315076728 is 8276705131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315076723) 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, 11741701 + ... + 11741812.

It is an arithmetic number, because the mean of its divisors is an integer number (176126355).

Almost surely, 2^1315076728 is an apocalyptic number.

It is an amenable number.

1315076728 is an abundant number, since it is smaller than the sum of its proper divisors (1502944952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315076728 is a wasteful number, since it uses less digits than its factorization.

1315076728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23483526 (or 23483522 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 1315076728 is about 36263.9866534279. The cubic root of 1315076728 is about 1095.5958137190.

The spelling of 1315076728 in words is "one billion, three hundred fifteen million, seventy-six thousand, seven hundred twenty-eight".