139225199 has 2 divisors, whose sum is σ = 139225200. Its totient is φ = 139225198.

The previous prime is 139225193. The next prime is 139225211. The reversal of 139225199 is 991522931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139225199 - 2⁴ = 139225183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139225193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69612599 + 69612600.

It is an arithmetic number, because the mean of its divisors is an integer number (69612600).

Almost surely, 2^139225199 is an apocalyptic number.

139225199 is a deficient number, since it is larger than the sum of its proper divisors (1).

139225199 is an equidigital number, since it uses as much as digits as its factorization.

139225199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 41.

The square root of 139225199 is about 11799.3728223156. The cubic root of 139225199 is about 518.2897448782.

The spelling of 139225199 in words is "one hundred thirty-nine million, two hundred twenty-five thousand, one hundred ninety-nine".