149011679 has 2 divisors, whose sum is σ = 149011680. Its totient is φ = 149011678.

The previous prime is 149011609. The next prime is 149011693. The reversal of 149011679 is 976110941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149011679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149011609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74505839 + 74505840.

It is an arithmetic number, because the mean of its divisors is an integer number (74505840).

Almost surely, 2^149011679 is an apocalyptic number.

149011679 is a deficient number, since it is larger than the sum of its proper divisors (1).

149011679 is an equidigital number, since it uses as much as digits as its factorization.

149011679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 149011679 is about 12207.0339968397. The cubic root of 149011679 is about 530.1597702726.

The spelling of 149011679 in words is "one hundred forty-nine million, eleven thousand, six hundred seventy-nine".