149889959 has 8 divisors (see below), whose sum is σ = 154898832. Its totient is φ = 144950400.

The previous prime is 149889953. The next prime is 149889967. The reversal of 149889959 is 959988941.

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 149889959 - 2⁸ = 149889703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149889953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12914 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (19362354).

Almost surely, 2^149889959 is an apocalyptic number.

149889959 is a deficient number, since it is larger than the sum of its proper divisors (5008873).

149889959 is a wasteful number, since it uses less digits than its factorization.

149889959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34657.

The product of its digits is 8398080, while the sum is 62.

The square root of 149889959 is about 12242.9554846859. The cubic root of 149889959 is about 531.1993239043.

The spelling of 149889959 in words is "one hundred forty-nine million, eight hundred eighty-nine thousand, nine hundred fifty-nine".