140679262081 has 8 divisors (see below), whose sum is σ = 142681901544. Its totient is φ = 138688579200.

The previous prime is 140679262069. The next prime is 140679262109. The reversal of 140679262081 is 180262976041.

It can be written as a sum of positive squares in 4 ways, for example, as 15854839056 + 124824423025 = 125916^2 + 353305^2 .

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 140679262081 - 2⁷ = 140679261953 is a prime.

It is a super-2 number, since 2×140679262081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140679262051) 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, 2965446 + ... + 3012511.

It is an arithmetic number, because the mean of its divisors is an integer number (17835237693).

Almost surely, 2^140679262081 is an apocalyptic number.

It is an amenable number.

140679262081 is a deficient number, since it is larger than the sum of its proper divisors (2002639463).

140679262081 is a wasteful number, since it uses less digits than its factorization.

140679262081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978291.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 140679262081 in words is "one hundred forty billion, six hundred seventy-nine million, two hundred sixty-two thousand, eighty-one".