1315764280 has 32 divisors (see below), whose sum is σ = 2961653040. Its totient is φ = 526095360.

The previous prime is 1315764257. The next prime is 1315764287. The reversal of 1315764280 is 824675131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315764287) 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, 129547 + ... + 139333.

Almost surely, 2^1315764280 is an apocalyptic number.

1315764280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315764280 is an abundant number, since it is smaller than the sum of its proper divisors (1645888760).

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

1315764280 is a wasteful number, since it uses less digits than its factorization.

1315764280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13159 (or 13155 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1315764280 is about 36273.4652328668. The cubic root of 1315764280 is about 1095.7867145838.

The spelling of 1315764280 in words is "one billion, three hundred fifteen million, seven hundred sixty-four thousand, two hundred eighty".