140706495138 has 32 divisors (see below), whose sum is σ = 316899090432. Its totient is φ = 41262901200.

The previous prime is 140706495079. The next prime is 140706495151. The reversal of 140706495138 is 831594607041.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34383706 + ... + 34387797.

It is an arithmetic number, because the mean of its divisors is an integer number (9903096576).

Almost surely, 2^140706495138 is an apocalyptic number.

140706495138 is an abundant number, since it is smaller than the sum of its proper divisors (176192595294).

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

140706495138 is a wasteful number, since it uses less digits than its factorization.

140706495138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68771550.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 140706495138 in words is "one hundred forty billion, seven hundred six million, four hundred ninety-five thousand, one hundred thirty-eight".