1013868140 has 48 divisors (see below), whose sum is σ = 2156464128. Its totient is φ = 400365504.

The previous prime is 1013868109. The next prime is 1013868173. The reversal of 1013868140 is 418683101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1013868097 and 1013868106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953249 + ... + 954311.

It is an arithmetic number, because the mean of its divisors is an integer number (44926336).

Almost surely, 2^1013868140 is an apocalyptic number.

1013868140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013868140 is an abundant number, since it is smaller than the sum of its proper divisors (1142595988).

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

1013868140 is a wasteful number, since it uses less digits than its factorization.

1013868140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1013868140 is about 31841.2961419601. The cubic root of 1013868140 is about 1004.6015069895.

The spelling of 1013868140 in words is "one billion, thirteen million, eight hundred sixty-eight thousand, one hundred forty".