1013739538 has 12 divisors (see below), whose sum is σ = 1768872222. Its totient is φ = 434459760.

The previous prime is 1013739479. The next prime is 1013739581. The reversal of 1013739538 is 8359373101.

It can be written as a sum of positive squares in only one way, i.e., 991809049 + 21930489 = 31493^2 + 4683^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1013739538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5172043 + ... + 5172238.

Almost surely, 2^1013739538 is an apocalyptic number.

1013739538 is a deficient number, since it is larger than the sum of its proper divisors (755132684).

1013739538 is a wasteful number, since it uses less digits than its factorization.

1013739538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10344297 (or 10344290 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1013739538 is about 31839.2766563564. The cubic root of 1013739538 is about 1004.5590296624.

The spelling of 1013739538 in words is "one billion, thirteen million, seven hundred thirty-nine thousand, five hundred thirty-eight".