139745199 has 12 divisors (see below), whose sum is σ = 204806168. Its totient is φ = 84693840.

The previous prime is 139745197. The next prime is 139745201. The reversal of 139745199 is 991547931.

It is an interprime number because it is at equal distance from previous prime (139745197) and next prime (139745201).

It is not a de Polignac number, because 139745199 - 2¹ = 139745197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139745197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192124 + ... + 192849.

Almost surely, 2^139745199 is an apocalyptic number.

139745199 is a deficient number, since it is larger than the sum of its proper divisors (65060969).

139745199 is a wasteful number, since it uses less digits than its factorization.

139745199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384998 (or 384987 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 139745199 is about 11821.3873551288. The cubic root of 139745199 is about 518.9342063381.

The spelling of 139745199 in words is "one hundred thirty-nine million, seven hundred forty-five thousand, one hundred ninety-nine".