1315757420 has 24 divisors (see below), whose sum is σ = 2764827744. Its totient is φ = 525972096.

The previous prime is 1315757419. The next prime is 1315757431. The reversal of 1315757420 is 247575131.

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, 13289 + ... + 52991.

It is an arithmetic number, because the mean of its divisors is an integer number (115201156).

Almost surely, 2^1315757420 is an apocalyptic number.

1315757420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315757420 is an abundant number, since it is smaller than the sum of its proper divisors (1449070324).

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

1315757420 is a wasteful number, since it uses less digits than its factorization.

1315757420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41369 (or 41367 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1315757420 is about 36273.3706732639. The cubic root of 1315757420 is about 1095.7848102128.

The spelling of 1315757420 in words is "one billion, three hundred fifteen million, seven hundred fifty-seven thousand, four hundred twenty".