149376779 has 4 divisors (see below), whose sum is σ = 149547984. Its totient is φ = 149205576.

The previous prime is 149376751. The next prime is 149376793. The reversal of 149376779 is 977673941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149376779 - 2¹² = 149372683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149376779.

It is not an unprimeable number, because it can be changed into a prime (149376749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84287 + ... + 86040.

It is an arithmetic number, because the mean of its divisors is an integer number (37386996).

Almost surely, 2^149376779 is an apocalyptic number.

149376779 is a deficient number, since it is larger than the sum of its proper divisors (171205).

149376779 is an equidigital number, since it uses as much as digits as its factorization.

149376779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171204.

The product of its digits is 2000376, while the sum is 53.

The square root of 149376779 is about 12221.9793405160. The cubic root of 149376779 is about 530.5924063002.

The spelling of 149376779 in words is "one hundred forty-nine million, three hundred seventy-six thousand, seven hundred seventy-nine".