149906113 has 4 divisors (see below), whose sum is σ = 171321280. Its totient is φ = 128490948.

The previous prime is 149906093. The next prime is 149906131. The reversal of 149906113 is 311609941.

It is a happy number.

149906113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149906113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149916113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10707573 + ... + 10707586.

It is an arithmetic number, because the mean of its divisors is an integer number (42830320).

Almost surely, 2^149906113 is an apocalyptic number.

It is an amenable number.

149906113 is a deficient number, since it is larger than the sum of its proper divisors (21415167).

149906113 is an equidigital number, since it uses as much as digits as its factorization.

149906113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21415166.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 149906113 is about 12243.6151932344. The cubic root of 149906113 is about 531.2184060934.

The spelling of 149906113 in words is "one hundred forty-nine million, nine hundred six thousand, one hundred thirteen".