1315085590 has 32 divisors (see below), whose sum is σ = 2913422400. Its totient is φ = 416202624.

The previous prime is 1315085509. The next prime is 1315085617. The reversal of 1315085590 is 955805131.

It is a congruent number.

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, 721665 + ... + 723484.

It is an arithmetic number, because the mean of its divisors is an integer number (91044450).

Almost surely, 2^1315085590 is an apocalyptic number.

1315085590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315085590 is an abundant number, since it is smaller than the sum of its proper divisors (1598336810).

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

1315085590 is a wasteful number, since it uses less digits than its factorization.

1315085590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445176.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 1315085590 is about 36264.1088405602. The cubic root of 1315085590 is about 1095.5982747030.

The spelling of 1315085590 in words is "one billion, three hundred fifteen million, eighty-five thousand, five hundred ninety".