149989211 has 8 divisors (see below), whose sum is σ = 158946000. Its totient is φ = 141138720.

The previous prime is 149989199. The next prime is 149989219. The reversal of 149989211 is 112989941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149989211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149989219) 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, 23660 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (19868250).

Almost surely, 2^149989211 is an apocalyptic number.

149989211 is a deficient number, since it is larger than the sum of its proper divisors (8956789).

149989211 is a wasteful number, since it uses less digits than its factorization.

149989211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53149.

The product of its digits is 46656, while the sum is 44.

The square root of 149989211 is about 12247.0082469148. The cubic root of 149989211 is about 531.3165453711.

The spelling of 149989211 in words is "one hundred forty-nine million, nine hundred eighty-nine thousand, two hundred eleven".