140597658431 has 2 divisors, whose sum is σ = 140597658432. Its totient is φ = 140597658430.

The previous prime is 140597658389. The next prime is 140597658511. The reversal of 140597658431 is 134856795041.

It is a weak prime.

It is an emirp because it is prime and its reverse (134856795041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140597658431 - 2¹⁸ = 140597396287 is a prime.

It is a super-2 number, since 2×140597658431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140597658731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70298829215 + 70298829216.

It is an arithmetic number, because the mean of its divisors is an integer number (70298829216).

Almost surely, 2^140597658431 is an apocalyptic number.

140597658431 is a deficient number, since it is larger than the sum of its proper divisors (1).

140597658431 is an equidigital number, since it uses as much as digits as its factorization.

140597658431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 140597658431 in words is "one hundred forty billion, five hundred ninety-seven million, six hundred fifty-eight thousand, four hundred thirty-one".