140202852195431 has 2 divisors, whose sum is σ = 140202852195432. Its totient is φ = 140202852195430.

The previous prime is 140202852195391. The next prime is 140202852195491. The reversal of 140202852195431 is 134591258202041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140202852195431 is a prime.

It is a super-2 number, since 2×140202852195431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140202852195491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70101426097715 + 70101426097716.

It is an arithmetic number, because the mean of its divisors is an integer number (70101426097716).

Almost surely, 2^{140202852195431} is an apocalyptic number.

140202852195431 is a deficient number, since it is larger than the sum of its proper divisors (1).

140202852195431 is an equidigital number, since it uses as much as digits as its factorization.

140202852195431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 140202852195431 in words is "one hundred forty trillion, two hundred two billion, eight hundred fifty-two million, one hundred ninety-five thousand, four hundred thirty-one".