1013965290 has 80 divisors (see below), whose sum is σ = 2936196648. Its totient is φ = 249588864.

The previous prime is 1013965273. The next prime is 1013965321. The reversal of 1013965290 is 925693101.

It can be written as a sum of positive squares in 4 ways, for example, as 636401529 + 377563761 = 25227^2 + 19431^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37617 + ... + 58676.

Almost surely, 2^1013965290 is an apocalyptic number.

1013965290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013965290 is an abundant number, since it is smaller than the sum of its proper divisors (1922231358).

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

1013965290 is a wasteful number, since it uses less digits than its factorization.

1013965290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96325 (or 96316 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 1013965290 is about 31842.8216400494. The cubic root of 1013965290 is about 1004.6335933183.

The spelling of 1013965290 in words is "one billion, thirteen million, nine hundred sixty-five thousand, two hundred ninety".