149935667 has 4 divisors (see below), whose sum is σ = 171355056. Its totient is φ = 128516280.

The previous prime is 149935661. The next prime is 149935679. The reversal of 149935667 is 766539941.

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 149935667 - 2⁸ = 149935411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149935661) 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, 10709684 + ... + 10709697.

It is an arithmetic number, because the mean of its divisors is an integer number (42838764).

Almost surely, 2^149935667 is an apocalyptic number.

149935667 is a deficient number, since it is larger than the sum of its proper divisors (21419389).

149935667 is an equidigital number, since it uses as much as digits as its factorization.

149935667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21419388.

The product of its digits is 1224720, while the sum is 50.

The square root of 149935667 is about 12244.8220485232. The cubic root of 149935667 is about 531.2533137140.

The spelling of 149935667 in words is "one hundred forty-nine million, nine hundred thirty-five thousand, six hundred sixty-seven".