149179271 has 2 divisors, whose sum is σ = 149179272. Its totient is φ = 149179270.

The previous prime is 149179207. The next prime is 149179273. The reversal of 149179271 is 172971941.

It is a strong prime.

It is an emirp because it is prime and its reverse (172971941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149179271 - 2⁶ = 149179207 is a prime.

Together with 149179273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149179273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74589635 + 74589636.

It is an arithmetic number, because the mean of its divisors is an integer number (74589636).

Almost surely, 2^149179271 is an apocalyptic number.

149179271 is a deficient number, since it is larger than the sum of its proper divisors (1).

149179271 is an equidigital number, since it uses as much as digits as its factorization.

149179271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 41.

The square root of 149179271 is about 12213.8966345716. The cubic root of 149179271 is about 530.3584510020.

The spelling of 149179271 in words is "one hundred forty-nine million, one hundred seventy-nine thousand, two hundred seventy-one".