353020139 has 2 divisors, whose sum is σ = 353020140. Its totient is φ = 353020138.

The previous prime is 353020117. The next prime is 353020177. The reversal of 353020139 is 931020353.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 353020139 - 2⁸ = 353019883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (353820139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176510069 + 176510070.

It is an arithmetic number, because the mean of its divisors is an integer number (176510070).

Almost surely, 2^353020139 is an apocalyptic number.

353020139 is a deficient number, since it is larger than the sum of its proper divisors (1).

353020139 is an equidigital number, since it uses as much as digits as its factorization.

353020139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 353020139 is about 18788.8301658193. The cubic root of 353020139 is about 706.7511012447.

The spelling of 353020139 in words is "three hundred fifty-three million, twenty thousand, one hundred thirty-nine".