1139061613 has 8 divisors (see below), whose sum is σ = 1207585280. Its totient is φ = 1072524240.

The previous prime is 1139061577. The next prime is 1139061617. The reversal of 1139061613 is 3161609311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139061613 is a prime.

It is a super-2 number, since 2×1139061613² = 2594922716420323538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139061617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495393 + ... + 497686.

It is an arithmetic number, because the mean of its divisors is an integer number (150948160).

Almost surely, 2^1139061613 is an apocalyptic number.

It is an amenable number.

1139061613 is a deficient number, since it is larger than the sum of its proper divisors (68523667).

1139061613 is an equidigital number, since it uses as much as digits as its factorization.

1139061613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993147.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 1139061613 is about 33749.9868592567. The cubic root of 1139061613 is about 1044.3572164787.

The spelling of 1139061613 in words is "one billion, one hundred thirty-nine million, sixty-one thousand, six hundred thirteen".