149127439 has 2 divisors, whose sum is σ = 149127440. Its totient is φ = 149127438.

The previous prime is 149127437. The next prime is 149127457. The reversal of 149127439 is 934721941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149127439 - 2¹ = 149127437 is a prime.

Together with 149127437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149127437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74563719 + 74563720.

It is an arithmetic number, because the mean of its divisors is an integer number (74563720).

Almost surely, 2^149127439 is an apocalyptic number.

149127439 is a deficient number, since it is larger than the sum of its proper divisors (1).

149127439 is an equidigital number, since it uses as much as digits as its factorization.

149127439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 149127439 is about 12211.7746048639. The cubic root of 149127439 is about 530.2970199391.

The spelling of 149127439 in words is "one hundred forty-nine million, one hundred twenty-seven thousand, four hundred thirty-nine".