140597843 has 2 divisors, whose sum is σ = 140597844. Its totient is φ = 140597842.

The previous prime is 140597833. The next prime is 140597851. The reversal of 140597843 is 348795041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140597843 - 2¹⁴ = 140581459 is a prime.

It is a Chen prime.

It is equal to p_7943963 and since 140597843 and 7943963 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140597843.

It is not a weakly prime, because it can be changed into another prime (140597833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70298921 + 70298922.

It is an arithmetic number, because the mean of its divisors is an integer number (70298922).

Almost surely, 2^140597843 is an apocalyptic number.

140597843 is a deficient number, since it is larger than the sum of its proper divisors (1).

140597843 is an equidigital number, since it uses as much as digits as its factorization.

140597843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 140597843 is about 11857.3961306857. The cubic root of 140597843 is about 519.9874787419.

The spelling of 140597843 in words is "one hundred forty million, five hundred ninety-seven thousand, eight hundred forty-three".