140612663 has 2 divisors, whose sum is σ = 140612664. Its totient is φ = 140612662.

The previous prime is 140612609. The next prime is 140612669. The reversal of 140612663 is 366216041.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (366216041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140612663 - 2⁶ = 140612599 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 (140612669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70306331 + 70306332.

It is an arithmetic number, because the mean of its divisors is an integer number (70306332).

Almost surely, 2^140612663 is an apocalyptic number.

140612663 is a deficient number, since it is larger than the sum of its proper divisors (1).

140612663 is an equidigital number, since it uses as much as digits as its factorization.

140612663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 140612663 is about 11858.0210406290. The cubic root of 140612663 is about 520.0057482106.

The spelling of 140612663 in words is "one hundred forty million, six hundred twelve thousand, six hundred sixty-three".