140006597 has 2 divisors, whose sum is σ = 140006598. Its totient is φ = 140006596.

The previous prime is 140006591. The next prime is 140006623. The reversal of 140006597 is 795600041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100681156 + 39325441 = 10034^2 + 6271^2 .

It is an emirp because it is prime and its reverse (795600041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140006597 - 2⁸ = 140006341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140006591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70003298 + 70003299.

It is an arithmetic number, because the mean of its divisors is an integer number (70003299).

Almost surely, 2^140006597 is an apocalyptic number.

It is an amenable number.

140006597 is a deficient number, since it is larger than the sum of its proper divisors (1).

140006597 is an equidigital number, since it uses as much as digits as its factorization.

140006597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 140006597 is about 11832.4383370462. The cubic root of 140006597 is about 519.2575659817.

The spelling of 140006597 in words is "one hundred forty million, six thousand, five hundred ninety-seven".