139113418 has 8 divisors (see below), whose sum is σ = 208726848. Its totient is φ = 69537804.

The previous prime is 139113413. The next prime is 139113427. The reversal of 139113418 is 814311931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 139113418.

It is not an unprimeable number, because it can be changed into a prime (139113413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055 + ... + 16957.

It is an arithmetic number, because the mean of its divisors is an integer number (26090856).

Almost surely, 2^139113418 is an apocalyptic number.

139113418 is a deficient number, since it is larger than the sum of its proper divisors (69613430).

139113418 is a wasteful number, since it uses less digits than its factorization.

139113418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18908.

The product of its digits is 2592, while the sum is 31.

The square root of 139113418 is about 11794.6351363660. The cubic root of 139113418 is about 518.1509997415.

The spelling of 139113418 in words is "one hundred thirty-nine million, one hundred thirteen thousand, four hundred eighteen".