140104112081 has 2 divisors, whose sum is σ = 140104112082. Its totient is φ = 140104112080.

The previous prime is 140104112047. The next prime is 140104112119. The reversal of 140104112081 is 180211401041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120731926225 + 19372185856 = 347465^2 + 139184^2 .

It is a cyclic number.

It is not a de Polignac number, because 140104112081 - 2³⁰ = 139030370257 is a prime.

It is a super-2 number, since 2×140104112081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140104112581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70052056040 + 70052056041.

It is an arithmetic number, because the mean of its divisors is an integer number (70052056041).

Almost surely, 2^140104112081 is an apocalyptic number.

It is an amenable number.

140104112081 is a deficient number, since it is larger than the sum of its proper divisors (1).

140104112081 is an equidigital number, since it uses as much as digits as its factorization.

140104112081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

The spelling of 140104112081 in words is "one hundred forty billion, one hundred four million, one hundred twelve thousand, eighty-one".