149177339 has 2 divisors, whose sum is σ = 149177340. Its totient is φ = 149177338.

The previous prime is 149177321. The next prime is 149177383. The reversal of 149177339 is 933771941.

It is an a-pointer prime, because the next prime (149177383) can be obtained adding 149177339 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149177339 is a prime.

It is a super-2 number, since 2×149177339² = 44507756942241842, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149177339.

It is not a weakly prime, because it can be changed into another prime (149177939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74588669 + 74588670.

It is an arithmetic number, because the mean of its divisors is an integer number (74588670).

Almost surely, 2^149177339 is an apocalyptic number.

149177339 is a deficient number, since it is larger than the sum of its proper divisors (1).

149177339 is an equidigital number, since it uses as much as digits as its factorization.

149177339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 44.

The square root of 149177339 is about 12213.8175440769. The cubic root of 149177339 is about 530.3561614593.

The spelling of 149177339 in words is "one hundred forty-nine million, one hundred seventy-seven thousand, three hundred thirty-nine".