140023111209937 has 2 divisors, whose sum is σ = 140023111209938. Its totient is φ = 140023111209936.

The previous prime is 140023111209859. The next prime is 140023111209967. The reversal of 140023111209937 is 739902111320041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138858861577921 + 1164249632016 = 11783839^2 + 1079004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140023111209937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140023111209893 and 140023111209902.

It is not a weakly prime, because it can be changed into another prime (140023111209967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70011555604968 + 70011555604969.

It is an arithmetic number, because the mean of its divisors is an integer number (70011555604969).

Almost surely, 2^{140023111209937} is an apocalyptic number.

It is an amenable number.

140023111209937 is a deficient number, since it is larger than the sum of its proper divisors (1).

140023111209937 is an equidigital number, since it uses as much as digits as its factorization.

140023111209937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

Adding to 140023111209937 its reverse (739902111320041), we get a palindrome (879925222529978).

The spelling of 140023111209937 in words is "one hundred forty trillion, twenty-three billion, one hundred eleven million, two hundred nine thousand, nine hundred thirty-seven".