149381207 has 2 divisors, whose sum is σ = 149381208. Its totient is φ = 149381206.

The previous prime is 149381203. The next prime is 149381213. The reversal of 149381207 is 702183941.

149381207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (702183941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149381207 - 2² = 149381203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149381203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74690603 + 74690604.

It is an arithmetic number, because the mean of its divisors is an integer number (74690604).

Almost surely, 2^149381207 is an apocalyptic number.

149381207 is a deficient number, since it is larger than the sum of its proper divisors (1).

149381207 is an equidigital number, since it uses as much as digits as its factorization.

149381207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 149381207 is about 12222.1604882279. The cubic root of 149381207 is about 530.5976490606.

The spelling of 149381207 in words is "one hundred forty-nine million, three hundred eighty-one thousand, two hundred seven".