140431240087 has 2 divisors, whose sum is σ = 140431240088. Its totient is φ = 140431240086.

The previous prime is 140431240063. The next prime is 140431240123. The reversal of 140431240087 is 780042134041.

It is a happy number.

140431240087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140431240087 - 2³⁵ = 106071501719 is a prime.

It is a super-3 number, since 3×140431240087³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140431240387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70215620043 + 70215620044.

It is an arithmetic number, because the mean of its divisors is an integer number (70215620044).

Almost surely, 2^140431240087 is an apocalyptic number.

140431240087 is a deficient number, since it is larger than the sum of its proper divisors (1).

140431240087 is an equidigital number, since it uses as much as digits as its factorization.

140431240087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 140431240087 in words is "one hundred forty billion, four hundred thirty-one million, two hundred forty thousand, eighty-seven".