139902199 has 2 divisors, whose sum is σ = 139902200. Its totient is φ = 139902198.

The previous prime is 139902193. The next prime is 139902211. The reversal of 139902199 is 991209931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139902199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139902193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69951099 + 69951100.

It is an arithmetic number, because the mean of its divisors is an integer number (69951100).

Almost surely, 2^139902199 is an apocalyptic number.

139902199 is a deficient number, since it is larger than the sum of its proper divisors (1).

139902199 is an equidigital number, since it uses as much as digits as its factorization.

139902199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 139902199 is about 11828.0259976042. The cubic root of 139902199 is about 519.1284698482.

The spelling of 139902199 in words is "one hundred thirty-nine million, nine hundred two thousand, one hundred ninety-nine".