1013868836 has 12 divisors (see below), whose sum is σ = 1774579212. Its totient is φ = 506846208.

The previous prime is 1013868829. The next prime is 1013868839. The reversal of 1013868836 is 6388683101.

1013868836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 629708836 + 384160000 = 25094^2 + 19600^2 .

It is a super-2 number, since 2×1013868836² = 2055860033223989792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1013868839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8516 + ... + 45828.

It is an arithmetic number, because the mean of its divisors is an integer number (147881601).

Almost surely, 2^1013868836 is an apocalyptic number.

It is an amenable number.

1013868836 is a deficient number, since it is larger than the sum of its proper divisors (760710376).

1013868836 is a wasteful number, since it uses less digits than its factorization.

1013868836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44110 (or 44108 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1013868836 is about 31841.3070711615. The cubic root of 1013868836 is about 1004.6017368690.

The spelling of 1013868836 in words is "one billion, thirteen million, eight hundred sixty-eight thousand, eight hundred thirty-six".