1162320139 has 2 divisors, whose sum is σ = 1162320140. Its totient is φ = 1162320138.

The previous prime is 1162320101. The next prime is 1162320149. The reversal of 1162320139 is 9310232611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1162320139 - 2¹⁹ = 1161795851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162320149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581160069 + 581160070.

It is an arithmetic number, because the mean of its divisors is an integer number (581160070).

Almost surely, 2^1162320139 is an apocalyptic number.

1162320139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162320139 is an equidigital number, since it uses as much as digits as its factorization.

1162320139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1162320139 is about 34092.8165307591. The cubic root of 1162320139 is about 1051.4176283266.

The spelling of 1162320139 in words is "one billion, one hundred sixty-two million, three hundred twenty thousand, one hundred thirty-nine".