149328109 has 8 divisors (see below), whose sum is σ = 174823488. Its totient is φ = 124873440.

The previous prime is 149328107. The next prime is 149328169. The reversal of 149328109 is 901823941.

149328109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149328109 - 2¹ = 149328107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149328107) 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, 259867 + ... + 260440.

It is an arithmetic number, because the mean of its divisors is an integer number (21852936).

Almost surely, 2^149328109 is an apocalyptic number.

It is an amenable number.

149328109 is a deficient number, since it is larger than the sum of its proper divisors (25495379).

149328109 is an equidigital number, since it uses as much as digits as its factorization.

149328109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520355.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 149328109 is about 12219.9880932839. The cubic root of 149328109 is about 530.5347740994.

The spelling of 149328109 in words is "one hundred forty-nine million, three hundred twenty-eight thousand, one hundred nine".