1139434577 has 2 divisors, whose sum is σ = 1139434578. Its totient is φ = 1139434576.

The previous prime is 1139434561. The next prime is 1139434601. The reversal of 1139434577 is 7754349311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808776721 + 330657856 = 28439^2 + 18184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139434577 - 2⁴ = 1139434561 is a prime.

It is a super-2 number, since 2×1139434577² = 2596622310526337858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1139434507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569717288 + 569717289.

It is an arithmetic number, because the mean of its divisors is an integer number (569717289).

Almost surely, 2^1139434577 is an apocalyptic number.

It is an amenable number.

1139434577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139434577 is an equidigital number, since it uses as much as digits as its factorization.

1139434577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 1139434577 is about 33755.5118017784. The cubic root of 1139434577 is about 1044.4711889908.

The spelling of 1139434577 in words is "one billion, one hundred thirty-nine million, four hundred thirty-four thousand, five hundred seventy-seven".