139860099 has 12 divisors (see below), whose sum is σ = 204578400. Its totient is φ = 92059344.

The previous prime is 139860073. The next prime is 139860101. The reversal of 139860099 is 990068931.

139860099 is a `hidden beast` number, since 1 + 39 + 8 + 600 + 9 + 9 = 666.

It is not a de Polignac number, because 139860099 - 2¹⁶ = 139794563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139860199) 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, 97644 + ... + 99065.

It is an arithmetic number, because the mean of its divisors is an integer number (17048200).

Almost surely, 2^139860099 is an apocalyptic number.

139860099 is a deficient number, since it is larger than the sum of its proper divisors (64718301).

139860099 is a wasteful number, since it uses less digits than its factorization.

139860099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196794 (or 196791 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 139860099 is about 11826.2461922624. The cubic root of 139860099 is about 519.0763917981.

The spelling of 139860099 in words is "one hundred thirty-nine million, eight hundred sixty thousand, ninety-nine".