1315943490 has 32 divisors (see below), whose sum is σ = 3260146176. Its totient is φ = 339598080.

The previous prime is 1315943483. The next prime is 1315943501. The reversal of 1315943490 is 943495131.

It is a happy number.

1315943490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706567 + ... + 708426.

It is an arithmetic number, because the mean of its divisors is an integer number (101879568).

Almost surely, 2^1315943490 is an apocalyptic number.

1315943490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315943490 is an abundant number, since it is smaller than the sum of its proper divisors (1944202686).

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

1315943490 is a wasteful number, since it uses less digits than its factorization.

1315943490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415034.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1315943490 is about 36275.9354117850. The cubic root of 1315943490 is about 1095.8364618486.

The spelling of 1315943490 in words is "one billion, three hundred fifteen million, nine hundred forty-three thousand, four hundred ninety".