140792974234081 has 8 divisors (see below), whose sum is σ = 154108829301224. Its totient is φ = 127832208635520.

The previous prime is 140792974234067. The next prime is 140792974234097. The reversal of 140792974234081 is 180432479297041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1519342203456 + 139273632030625 = 1232616^2 + 11801425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140792974234081 - 2⁷ = 140792974233953 is a prime.

It is a super-2 number, since 2×140792974234081² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140792974234061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88772366316 + ... + 88772367901.

It is an arithmetic number, because the mean of its divisors is an integer number (19263603662653).

Almost surely, 2^{140792974234081} is an apocalyptic number.

It is an amenable number.

140792974234081 is a deficient number, since it is larger than the sum of its proper divisors (13315855067143).

140792974234081 is a wasteful number, since it uses less digits than its factorization.

140792974234081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177544734291.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 140792974234081 in words is "one hundred forty trillion, seven hundred ninety-two billion, nine hundred seventy-four million, two hundred thirty-four thousand, eighty-one".