149999694 has 16 divisors (see below), whose sum is σ = 323076432. Its totient is φ = 46153728.

The previous prime is 149999651. The next prime is 149999713. The reversal of 149999694 is 496999941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961459 + ... + 961614.

It is an arithmetic number, because the mean of its divisors is an integer number (20192277).

Almost surely, 2^149999694 is an apocalyptic number.

149999694 is an abundant number, since it is smaller than the sum of its proper divisors (173076738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149999694 is a wasteful number, since it uses less digits than its factorization.

149999694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923091.

The product of its digits is 5668704, while the sum is 60.

The square root of 149999694 is about 12247.4362215118. The cubic root of 149999694 is about 531.3289232871.

The spelling of 149999694 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, six hundred ninety-four".