140775772265656 has 16 divisors (see below), whose sum is σ = 287950443270840. Its totient is φ = 63988987393440.

The previous prime is 140775772265629. The next prime is 140775772265671. The reversal of 140775772265656 is 656562277577041.

It is a happy number.

It is a super-2 number, since 2×140775772265656² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799862342331 + ... + 799862342506.

Almost surely, 2^{140775772265656} is an apocalyptic number.

It is an amenable number.

140775772265656 is an abundant number, since it is smaller than the sum of its proper divisors (147174671005184).

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

140775772265656 is a wasteful number, since it uses less digits than its factorization.

140775772265656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599724684854 (or 1599724684850 counting only the distinct ones).

The product of its (nonzero) digits is 1037232000, while the sum is 70.

The spelling of 140775772265656 in words is "one hundred forty trillion, seven hundred seventy-five billion, seven hundred seventy-two million, two hundred sixty-five thousand, six hundred fifty-six".