1013799402 has 96 divisors (see below), whose sum is σ = 2840108544. Its totient is φ = 263314800.

The previous prime is 1013799401. The next prime is 1013799421. The reversal of 1013799402 is 2049973101.

It is not an unprimeable number, because it can be changed into a prime (1013799401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23877 + ... + 50967.

It is an arithmetic number, because the mean of its divisors is an integer number (29584464).

Almost surely, 2^1013799402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013799402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420054272).

1013799402 is an abundant number, since it is smaller than the sum of its proper divisors (1826309142).

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

1013799402 is a wasteful number, since it uses less digits than its factorization.

1013799402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27126 (or 27114 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1013799402 is about 31840.2167392121. The cubic root of 1013799402 is about 1004.5788032288.

The spelling of 1013799402 in words is "one billion, thirteen million, seven hundred ninety-nine thousand, four hundred two".