1162056139 has 2 divisors, whose sum is σ = 1162056140. Its totient is φ = 1162056138.

The previous prime is 1162056079. The next prime is 1162056157. The reversal of 1162056139 is 9316502611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1162056139 - 2⁷ = 1162056011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162050139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581028069 + 581028070.

It is an arithmetic number, because the mean of its divisors is an integer number (581028070).

Almost surely, 2^1162056139 is an apocalyptic number.

1162056139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162056139 is an equidigital number, since it uses as much as digits as its factorization.

1162056139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1162056139 is about 34088.9445275151. The cubic root of 1162056139 is about 1051.3380187989.

The spelling of 1162056139 in words is "one billion, one hundred sixty-two million, fifty-six thousand, one hundred thirty-nine".