140697719 has 2 divisors, whose sum is σ = 140697720. Its totient is φ = 140697718.

The previous prime is 140697703. The next prime is 140697737. The reversal of 140697719 is 917796041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140697719 - 2⁴ = 140697703 is a prime.

It is a super-2 number, since 2×140697719² = 39591696263605922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140697719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140697019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70348859 + 70348860.

It is an arithmetic number, because the mean of its divisors is an integer number (70348860).

Almost surely, 2^140697719 is an apocalyptic number.

140697719 is a deficient number, since it is larger than the sum of its proper divisors (1).

140697719 is an equidigital number, since it uses as much as digits as its factorization.

140697719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 140697719 is about 11861.6069316092. The cubic root of 140697719 is about 520.1105768296.

The spelling of 140697719 in words is "one hundred forty million, six hundred ninety-seven thousand, seven hundred nineteen".