139096608 has 96 divisors (see below), whose sum is σ = 419126400. Its totient is φ = 39567360.

The previous prime is 139096603. The next prime is 139096621. The reversal of 139096608 is 806690931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 139096608.

It is not an unprimeable number, because it can be changed into a prime (139096603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301498 + ... + 301958.

It is an arithmetic number, because the mean of its divisors is an integer number (4365900).

Almost surely, 2^139096608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139096608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209563200).

139096608 is an abundant number, since it is smaller than the sum of its proper divisors (280029792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139096608 is a wasteful number, since it uses less digits than its factorization.

139096608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 139096608 is about 11793.9225027130. The cubic root of 139096608 is about 518.1301283564.

The spelling of 139096608 in words is "one hundred thirty-nine million, ninety-six thousand, six hundred eight".