140342063 has 2 divisors, whose sum is σ = 140342064. Its totient is φ = 140342062.

The previous prime is 140342051. The next prime is 140342071. The reversal of 140342063 is 360243041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140342063 - 2¹⁶ = 140276527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140342263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70171031 + 70171032.

It is an arithmetic number, because the mean of its divisors is an integer number (70171032).

Almost surely, 2^140342063 is an apocalyptic number.

140342063 is a deficient number, since it is larger than the sum of its proper divisors (1).

140342063 is an equidigital number, since it uses as much as digits as its factorization.

140342063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 140342063 is about 11846.6055475820. The cubic root of 140342063 is about 519.6719614951.

The spelling of 140342063 in words is "one hundred forty million, three hundred forty-two thousand, sixty-three".