1013409864 has 48 divisors (see below), whose sum is σ = 2803057920. Its totient is φ = 330614880.

The previous prime is 1013409863. The next prime is 1013409889. The reversal of 1013409864 is 4689043101.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1013409863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146352 + ... + 153119.

It is an arithmetic number, because the mean of its divisors is an integer number (58397040).

Almost surely, 2^1013409864 is an apocalyptic number.

It is an amenable number.

1013409864 is an abundant number, since it is smaller than the sum of its proper divisors (1789648056).

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

1013409864 is a wasteful number, since it uses less digits than its factorization.

1013409864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299530 (or 299523 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1013409864 is about 31834.0990763050. The cubic root of 1013409864 is about 1004.4501217073.

The spelling of 1013409864 in words is "one billion, thirteen million, four hundred nine thousand, eight hundred sixty-four".