39149207 has 2 divisors, whose sum is σ = 39149208. Its totient is φ = 39149206.

The previous prime is 39149179. The next prime is 39149237. The reversal of 39149207 is 70294193.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39149207 is a prime.

It is a Chen prime.

It is equal to p_2384954 and since 39149207 and 2384954 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39149237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19574603 + 19574604.

It is an arithmetic number, because the mean of its divisors is an integer number (19574604).

Almost surely, 2^39149207 is an apocalyptic number.

39149207 is a deficient number, since it is larger than the sum of its proper divisors (1).

39149207 is an equidigital number, since it uses as much as digits as its factorization.

39149207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 39149207 is about 6256.9327149970. The cubic root of 39149207 is about 339.5530661604.

The spelling of 39149207 in words is "thirty-nine million, one hundred forty-nine thousand, two hundred seven".