139148808 has 64 divisors (see below), whose sum is σ = 374440320. Its totient is φ = 42931200.

The previous prime is 139148773. The next prime is 139148813. The reversal of 139148808 is 808841931.

139148808 is nontrivially palindromic in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 139148808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22093 + ... + 27683.

It is an arithmetic number, because the mean of its divisors is an integer number (5850630).

Almost surely, 2^139148808 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 139148808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187220160).

139148808 is an abundant number, since it is smaller than the sum of its proper divisors (235291512).

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

139148808 is a wasteful number, since it uses less digits than its factorization.

139148808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5674 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 139148808 is about 11796.1352993258. The cubic root of 139148808 is about 518.1949346578.

It can be divided in two parts, 13914 and 8808, that added together give a palindrome (22722).

The spelling of 139148808 in words is "one hundred thirty-nine million, one hundred forty-eight thousand, eight hundred eight".