139852008 has 160 divisors (see below), whose sum is σ = 424855200. Its totient is φ = 42830208.

The previous prime is 139851977. The next prime is 139852033. The reversal of 139852008 is 800258931.

139852008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 455391 + ... + 455697.

It is an arithmetic number, because the mean of its divisors is an integer number (2655345).

Almost surely, 2^139852008 is an apocalyptic number.

139852008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139852008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212427600).

139852008 is an abundant number, since it is smaller than the sum of its proper divisors (285003192).

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

139852008 is a wasteful number, since it uses less digits than its factorization.

139852008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 139852008 is about 11825.9041092003. The cubic root of 139852008 is about 519.0663819666.

The spelling of 139852008 in words is "one hundred thirty-nine million, eight hundred fifty-two thousand, eight".