139273682640 has 160 divisors (see below), whose sum is σ = 448518245376. Its totient is φ = 35712368640.

The previous prime is 139273682579. The next prime is 139273682657. The reversal of 139273682640 is 46286372931.

It is a super-2 number, since 2×139273682640² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1108464 + ... + 1227696.

Almost surely, 2^139273682640 is an apocalyptic number.

139273682640 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 139273682640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224259122688).

139273682640 is an abundant number, since it is smaller than the sum of its proper divisors (309244562736).

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

139273682640 is a wasteful number, since it uses less digits than its factorization.

139273682640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119437 (or 119431 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 139273682640 in words is "one hundred thirty-nine billion, two hundred seventy-three million, six hundred eighty-two thousand, six hundred forty".