149079319 has 2 divisors, whose sum is σ = 149079320. Its totient is φ = 149079318.

The previous prime is 149079283. The next prime is 149079367. The reversal of 149079319 is 913970941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149079319 - 2¹⁹ = 148555031 is a prime.

It is a super-2 number, since 2×149079319² = 44449286707007522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149079389) 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, 74539659 + 74539660.

It is an arithmetic number, because the mean of its divisors is an integer number (74539660).

Almost surely, 2^149079319 is an apocalyptic number.

149079319 is a deficient number, since it is larger than the sum of its proper divisors (1).

149079319 is an equidigital number, since it uses as much as digits as its factorization.

149079319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 149079319 is about 12209.8042162846. The cubic root of 149079319 is about 530.2399755795.

The spelling of 149079319 in words is "one hundred forty-nine million, seventy-nine thousand, three hundred nineteen".