139348840788 has 144 divisors (see below), whose sum is σ = 365159995200. Its totient is φ = 44777940480.

The previous prime is 139348840723. The next prime is 139348840811. The reversal of 139348840788 is 887048843931.

139348840788 is a `hidden beast` number, since 1 + 39 + 3 + 488 + 40 + 7 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47412223 + ... + 47415161.

It is an arithmetic number, because the mean of its divisors is an integer number (2535833300).

Almost surely, 2^139348840788 is an apocalyptic number.

139348840788 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 139348840788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182579997600).

139348840788 is an abundant number, since it is smaller than the sum of its proper divisors (225811154412).

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

139348840788 is a wasteful number, since it uses less digits than its factorization.

139348840788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 139348840788 in words is "one hundred thirty-nine billion, three hundred forty-eight million, eight hundred forty thousand, seven hundred eighty-eight".