149334779 has 4 divisors (see below), whose sum is σ = 162910680. Its totient is φ = 135758880.

The previous prime is 149334763. The next prime is 149334799. The reversal of 149334779 is 977433941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977433941 = 11 ⋅88857631.

It is a cyclic number.

It is not a de Polignac number, because 149334779 - 2⁴ = 149334763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149334739) 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 in 3 ways as a sum of consecutive naturals, for example, 6787934 + ... + 6787955.

It is an arithmetic number, because the mean of its divisors is an integer number (40727670).

Almost surely, 2^149334779 is an apocalyptic number.

149334779 is a deficient number, since it is larger than the sum of its proper divisors (13575901).

149334779 is a wasteful number, since it uses less digits than its factorization.

149334779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575900.

The product of its digits is 571536, while the sum is 47.

The square root of 149334779 is about 12220.2610037593. The cubic root of 149334779 is about 530.5426730683.

The spelling of 149334779 in words is "one hundred forty-nine million, three hundred thirty-four thousand, seven hundred seventy-nine".