149121766 has 32 divisors (see below), whose sum is σ = 245583360. Its totient is φ = 67658976.

The previous prime is 149121757. The next prime is 149121787. The reversal of 149121766 is 667121941.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93411 + ... + 94993.

It is an arithmetic number, because the mean of its divisors is an integer number (7674480).

Almost surely, 2^149121766 is an apocalyptic number.

149121766 is a deficient number, since it is larger than the sum of its proper divisors (96461594).

149121766 is a wasteful number, since it uses less digits than its factorization.

149121766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its digits is 18144, while the sum is 37.

The square root of 149121766 is about 12211.5423268316. The cubic root of 149121766 is about 530.2902954597.

The spelling of 149121766 in words is "one hundred forty-nine million, one hundred twenty-one thousand, seven hundred sixty-six".