1013140209 has 32 divisors (see below), whose sum is σ = 1405569024. Its totient is φ = 648760320.

The previous prime is 1013140187. The next prime is 1013140229. The reversal of 1013140209 is 9020413101.

It is not a de Polignac number, because 1013140209 - 2²⁵ = 979585777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013140229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2216709 + ... + 2217165.

It is an arithmetic number, because the mean of its divisors is an integer number (43924032).

Almost surely, 2^1013140209 is an apocalyptic number.

It is an amenable number.

1013140209 is a deficient number, since it is larger than the sum of its proper divisors (392428815).

1013140209 is a wasteful number, since it uses less digits than its factorization.

1013140209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1013140209 is about 31829.8634775583. The cubic root of 1013140209 is about 1004.3610234940.

The spelling of 1013140209 in words is "one billion, thirteen million, one hundred forty thousand, two hundred nine".