140419687 has 2 divisors, whose sum is σ = 140419688. Its totient is φ = 140419686.

The previous prime is 140419667. The next prime is 140419693. The reversal of 140419687 is 786914041.

140419687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140419687 - 2¹¹ = 140417639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140419627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70209843 + 70209844.

It is an arithmetic number, because the mean of its divisors is an integer number (70209844).

Almost surely, 2^140419687 is an apocalyptic number.

140419687 is a deficient number, since it is larger than the sum of its proper divisors (1).

140419687 is an equidigital number, since it uses as much as digits as its factorization.

140419687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 140419687 is about 11849.8813074225. The cubic root of 140419687 is about 519.7677550168.

The spelling of 140419687 in words is "one hundred forty million, four hundred nineteen thousand, six hundred eighty-seven".