140857006256 has 20 divisors (see below), whose sum is σ = 274717808304. Its totient is φ = 69962088000.

The previous prime is 140857006253. The next prime is 140857006261. The reversal of 140857006256 is 652600758041.

It is a super-2 number, since 2×140857006256² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (140857006253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29148455 + ... + 29153286.

Almost surely, 2^140857006256 is an apocalyptic number.

140857006256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140857006256 is a deficient number, since it is larger than the sum of its proper divisors (133860802048).

140857006256 is a wasteful number, since it uses less digits than its factorization.

140857006256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58301900 (or 58301894 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 140857006256 in words is "one hundred forty billion, eight hundred fifty-seven million, six thousand, two hundred fifty-six".