165301139 has 2 divisors, whose sum is σ = 165301140. Its totient is φ = 165301138.

The previous prime is 165301133. The next prime is 165301181. The reversal of 165301139 is 931103561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165301139 - 2¹² = 165297043 is a prime.

It is not a weakly prime, because it can be changed into another prime (165301133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82650569 + 82650570.

It is an arithmetic number, because the mean of its divisors is an integer number (82650570).

Almost surely, 2^165301139 is an apocalyptic number.

165301139 is a deficient number, since it is larger than the sum of its proper divisors (1).

165301139 is an equidigital number, since it uses as much as digits as its factorization.

165301139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 165301139 is about 12856.9490548886. The cubic root of 165301139 is about 548.8141270319.

The spelling of 165301139 in words is "one hundred sixty-five million, three hundred one thousand, one hundred thirty-nine".