465468139 has 2 divisors, whose sum is σ = 465468140. Its totient is φ = 465468138.

The previous prime is 465468037. The next prime is 465468149. The reversal of 465468139 is 931864564.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 465468139 - 2⁹ = 465467627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (465468149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232734069 + 232734070.

It is an arithmetic number, because the mean of its divisors is an integer number (232734070).

Almost surely, 2^465468139 is an apocalyptic number.

465468139 is a deficient number, since it is larger than the sum of its proper divisors (1).

465468139 is an equidigital number, since it uses as much as digits as its factorization.

465468139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 465468139 is about 21574.7106353712. The cubic root of 465468139 is about 774.9909892813.

The spelling of 465468139 in words is "four hundred sixty-five million, four hundred sixty-eight thousand, one hundred thirty-nine".