140813363464391 has 2 divisors, whose sum is σ = 140813363464392. Its totient is φ = 140813363464390.

The previous prime is 140813363464363. The next prime is 140813363464393. The reversal of 140813363464391 is 193464363318041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140813363464391 is a prime.

It is a super-2 number, since 2×140813363464391² (a number of 29 digits) contains 22 as substring.

Together with 140813363464393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140813363464393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70406681732195 + 70406681732196.

It is an arithmetic number, because the mean of its divisors is an integer number (70406681732196).

Almost surely, 2^{140813363464391} is an apocalyptic number.

140813363464391 is a deficient number, since it is larger than the sum of its proper divisors (1).

140813363464391 is an equidigital number, since it uses as much as digits as its factorization.

140813363464391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 56.

The spelling of 140813363464391 in words is "one hundred forty trillion, eight hundred thirteen billion, three hundred sixty-three million, four hundred sixty-four thousand, three hundred ninety-one".