1139626117 has 4 divisors (see below), whose sum is σ = 1302429856. Its totient is φ = 976822380.

The previous prime is 1139626069. The next prime is 1139626133. The reversal of 1139626117 is 7116269311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1139626117 - 2¹⁹ = 1139101829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139626157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81401859 + ... + 81401872.

It is an arithmetic number, because the mean of its divisors is an integer number (325607464).

Almost surely, 2^1139626117 is an apocalyptic number.

It is an amenable number.

1139626117 is a deficient number, since it is larger than the sum of its proper divisors (162803739).

1139626117 is an equidigital number, since it uses as much as digits as its factorization.

1139626117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162803738.

The product of its digits is 13608, while the sum is 37.

The square root of 1139626117 is about 33758.3488488403. The cubic root of 1139626117 is about 1044.5297112341.

The spelling of 1139626117 in words is "one billion, one hundred thirty-nine million, six hundred twenty-six thousand, one hundred seventeen".