1013985099 has 12 divisors (see below), whose sum is σ = 1481103000. Its totient is φ = 668394144.

The previous prime is 1013985073. The next prime is 1013985101. The reversal of 1013985099 is 9905893101.

1013985099 is a `hidden beast` number, since 1 + 0 + 139 + 8 + 509 + 9 = 666.

It is not a de Polignac number, because 1013985099 - 2¹³ = 1013976907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013985799) 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, 632149 + ... + 633750.

It is an arithmetic number, because the mean of its divisors is an integer number (123425250).

Almost surely, 2^1013985099 is an apocalyptic number.

1013985099 is a deficient number, since it is larger than the sum of its proper divisors (467117901).

1013985099 is a wasteful number, since it uses less digits than its factorization.

1013985099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265994 (or 1265991 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 1013985099 is about 31843.1326819457. The cubic root of 1013985099 is about 1004.6401355071.

The spelling of 1013985099 in words is "one billion, thirteen million, nine hundred eighty-five thousand, ninety-nine".