149217706 has 16 divisors (see below), whose sum is σ = 246460320. Its totient is φ = 67191280.

The previous prime is 149217671. The next prime is 149217727. The reversal of 149217706 is 607712941.

It is an unprimeable number.

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, 29341 + ... + 34048.

It is an arithmetic number, because the mean of its divisors is an integer number (15403770).

Almost surely, 2^149217706 is an apocalyptic number.

149217706 is a deficient number, since it is larger than the sum of its proper divisors (97242614).

149217706 is a wasteful number, since it uses less digits than its factorization.

149217706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63509.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 149217706 is about 12215.4699459333. The cubic root of 149217706 is about 530.4039948111.

The spelling of 149217706 in words is "one hundred forty-nine million, two hundred seventeen thousand, seven hundred six".