139346117 has 4 divisors (see below), whose sum is σ = 142310976. Its totient is φ = 136381260.

The previous prime is 139346111. The next prime is 139346149. The reversal of 139346117 is 711643931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711643931 = 73 ⋅9748547.

It is a cyclic number.

It is not a de Polignac number, because 139346117 - 2⁸ = 139345861 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 (139346111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482359 + ... + 1482452.

It is an arithmetic number, because the mean of its divisors is an integer number (35577744).

Almost surely, 2^139346117 is an apocalyptic number.

It is an amenable number.

139346117 is a deficient number, since it is larger than the sum of its proper divisors (2964859).

139346117 is an equidigital number, since it uses as much as digits as its factorization.

139346117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964858.

The product of its digits is 13608, while the sum is 35.

The square root of 139346117 is about 11804.4956266670. The cubic root of 139346117 is about 518.4397474767.

The spelling of 139346117 in words is "one hundred thirty-nine million, three hundred forty-six thousand, one hundred seventeen".