140400044101231 has 2 divisors, whose sum is σ = 140400044101232. Its totient is φ = 140400044101230.

The previous prime is 140400044101169. The next prime is 140400044101249. The reversal of 140400044101231 is 132101440004041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140400044101231 is a prime.

It is a super-2 number, since 2×140400044101231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140400044101196 and 140400044101205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140400044104231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70200022050615 + 70200022050616.

It is an arithmetic number, because the mean of its divisors is an integer number (70200022050616).

Almost surely, 2^{140400044101231} is an apocalyptic number.

140400044101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

140400044101231 is an equidigital number, since it uses as much as digits as its factorization.

140400044101231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 140400044101231 its reverse (132101440004041), we get a palindrome (272501484105272).

The spelling of 140400044101231 in words is "one hundred forty trillion, four hundred billion, forty-four million, one hundred one thousand, two hundred thirty-one".