139434342720 has 448 divisors, whose sum is σ = 480766648320. Its totient is φ = 34109816832.

The previous prime is 139434342679. The next prime is 139434342727. The reversal of 139434342720 is 27243434931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139434342727) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107009589 + ... + 107010891.

It is an arithmetic number, because the mean of its divisors is an integer number (1073139840).

Almost surely, 2^139434342720 is an apocalyptic number.

139434342720 is a gapful number since it is divisible by the number (10) 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 139434342720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240383324160).

139434342720 is an abundant number, since it is smaller than the sum of its proper divisors (341332305600).

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

139434342720 is a wasteful number, since it uses less digits than its factorization.

139434342720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 139434342720 in words is "one hundred thirty-nine billion, four hundred thirty-four million, three hundred forty-two thousand, seven hundred twenty".