1313666490 has 32 divisors (see below), whose sum is σ = 3153753216. Its totient is φ = 350205120.

The previous prime is 1313666467. The next prime is 1313666507. The reversal of 1313666490 is 946663131.

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, 187755 + ... + 194625.

It is an arithmetic number, because the mean of its divisors is an integer number (98554788).

Almost surely, 2^1313666490 is an apocalyptic number.

1313666490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313666490 is an abundant number, since it is smaller than the sum of its proper divisors (1840086726).

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

1313666490 is a wasteful number, since it uses less digits than its factorization.

1313666490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13254.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 1313666490 is about 36244.5373815145. The cubic root of 1313666490 is about 1095.2040486278.

The spelling of 1313666490 in words is "one billion, three hundred thirteen million, six hundred sixty-six thousand, four hundred ninety".