149984339 has 2 divisors, whose sum is σ = 149984340. Its totient is φ = 149984338.

The previous prime is 149984291. The next prime is 149984363. The reversal of 149984339 is 933489941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149984339 - 2²⁰ = 148935763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149984399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74992169 + 74992170.

It is an arithmetic number, because the mean of its divisors is an integer number (74992170).

Almost surely, 2^149984339 is an apocalyptic number.

149984339 is a deficient number, since it is larger than the sum of its proper divisors (1).

149984339 is an equidigital number, since it uses as much as digits as its factorization.

149984339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 149984339 is about 12246.8093395790. The cubic root of 149984339 is about 531.3107925079.

The spelling of 149984339 in words is "one hundred forty-nine million, nine hundred eighty-four thousand, three hundred thirty-nine".