139084751808 has 112 divisors (see below), whose sum is σ = 409028757760. Its totient is φ = 46345105152.

The previous prime is 139084751801. The next prime is 139084751809. The reversal of 139084751808 is 808157480931.

139084751808 is a `hidden beast` number, since 1 + 3 + 90 + 8 + 475 + 1 + 80 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139084751801) 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 15 ways as a sum of consecutive naturals, for example, 5452941 + ... + 5478387.

It is an arithmetic number, because the mean of its divisors is an integer number (3652042480).

Almost surely, 2^139084751808 is an apocalyptic number.

139084751808 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 139084751808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204514378880).

139084751808 is an abundant number, since it is smaller than the sum of its proper divisors (269944005952).

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

139084751808 is a wasteful number, since it uses less digits than its factorization.

139084751808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28631 (or 28615 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 139084751808 in words is "one hundred thirty-nine billion, eighty-four million, seven hundred fifty-one thousand, eight hundred eight".