1139671613 has 8 divisors (see below), whose sum is σ = 1167276000. Its totient is φ = 1112117328.

The previous prime is 1139671549. The next prime is 1139671633. The reversal of 1139671613 is 3161769311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1139671613 - 2⁶ = 1139671549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139671633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35738 + ... + 59636.

It is an arithmetic number, because the mean of its divisors is an integer number (145909500).

Almost surely, 2^1139671613 is an apocalyptic number.

It is an amenable number.

1139671613 is a deficient number, since it is larger than the sum of its proper divisors (27604387).

1139671613 is a wasteful number, since it uses less digits than its factorization.

1139671613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25051.

The product of its digits is 20412, while the sum is 38.

The square root of 1139671613 is about 33759.0226902379. The cubic root of 1139671613 is about 1044.5436109072.

The spelling of 1139671613 in words is "one billion, one hundred thirty-nine million, six hundred seventy-one thousand, six hundred thirteen".