139007099 has 12 divisors (see below), whose sum is σ = 174621552. Its totient is φ = 108316560.

The previous prime is 139007081. The next prime is 139007117. The reversal of 139007099 is 990700931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (139007081) and next prime (139007117).

It is not a de Polignac number, because 139007099 - 2¹⁶ = 138941563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139007399) 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, 81212 + ... + 82905.

It is an arithmetic number, because the mean of its divisors is an integer number (14551796).

Almost surely, 2^139007099 is an apocalyptic number.

139007099 is a deficient number, since it is larger than the sum of its proper divisors (35614453).

139007099 is a wasteful number, since it uses less digits than its factorization.

139007099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164146 (or 164135 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 139007099 is about 11790.1271833683. The cubic root of 139007099 is about 518.0189651827.

The spelling of 139007099 in words is "one hundred thirty-nine million, seven thousand, ninety-nine".