149539207 has 4 divisors (see below), whose sum is σ = 149566240. Its totient is φ = 149512176.

The previous prime is 149539189. The next prime is 149539213. The reversal of 149539207 is 702935941.

149539207 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.

It is a cyclic number.

It is not a de Polignac number, because 149539207 - 2¹⁵ = 149506439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149539207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149539267) 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, 1878 + ... + 17395.

It is an arithmetic number, because the mean of its divisors is an integer number (37391560).

Almost surely, 2^149539207 is an apocalyptic number.

149539207 is a deficient number, since it is larger than the sum of its proper divisors (27033).

149539207 is an equidigital number, since it uses as much as digits as its factorization.

149539207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27032.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 149539207 is about 12228.6224489924. The cubic root of 149539207 is about 530.7846535940.

The spelling of 149539207 in words is "one hundred forty-nine million, five hundred thirty-nine thousand, two hundred seven".