149105207 has 2 divisors, whose sum is σ = 149105208. Its totient is φ = 149105206.

The previous prime is 149105137. The next prime is 149105219. The reversal of 149105207 is 702501941.

149105207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (702501941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149105207 - 2²⁴ = 132327991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149105207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149105237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74552603 + 74552604.

It is an arithmetic number, because the mean of its divisors is an integer number (74552604).

Almost surely, 2^149105207 is an apocalyptic number.

149105207 is a deficient number, since it is larger than the sum of its proper divisors (1).

149105207 is an equidigital number, since it uses as much as digits as its factorization.

149105207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 149105207 is about 12210.8643019239. The cubic root of 149105207 is about 530.2706663064.

The spelling of 149105207 in words is "one hundred forty-nine million, one hundred five thousand, two hundred seven".