139943210706 has 256 divisors, whose sum is σ = 360406932480. Its totient is φ = 39907676160.

The previous prime is 139943210699. The next prime is 139943210711. The reversal of 139943210706 is 607012349931.

139943210706 is a `hidden beast` number, since 1 + 399 + 43 + 210 + 7 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 258674796 + ... + 258675336.

It is an arithmetic number, because the mean of its divisors is an integer number (1407839580).

Almost surely, 2^139943210706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139943210706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180203466240).

139943210706 is an abundant number, since it is smaller than the sum of its proper divisors (220463721774).

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

139943210706 is a wasteful number, since it uses less digits than its factorization.

139943210706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 139943210706 in words is "one hundred thirty-nine billion, nine hundred forty-three million, two hundred ten thousand, seven hundred six".