149276977 has 8 divisors (see below), whose sum is σ = 157723200. Its totient is φ = 140889744.

The previous prime is 149276957. The next prime is 149276987. The reversal of 149276977 is 779672941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149276977 - 2²³ = 140888369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149276957) 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 in 7 ways as a sum of consecutive naturals, for example, 9493 + ... + 19714.

It is an arithmetic number, because the mean of its divisors is an integer number (19715400).

Almost surely, 2^149276977 is an apocalyptic number.

It is an amenable number.

149276977 is a deficient number, since it is larger than the sum of its proper divisors (8446223).

149276977 is a wasteful number, since it uses less digits than its factorization.

149276977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29495.

The product of its digits is 1333584, while the sum is 52.

The square root of 149276977 is about 12217.8957680936. The cubic root of 149276977 is about 530.4742130501.

It can be divided in two parts, 14927 and 6977, that added together give a square (21904 = 148²).

The spelling of 149276977 in words is "one hundred forty-nine million, two hundred seventy-six thousand, nine hundred seventy-seven".