140012663 has 16 divisors (see below), whose sum is σ = 173565504. Its totient is φ = 110192640.

The previous prime is 140012659. The next prime is 140012681. The reversal of 140012663 is 366210041.

It is a happy number.

140012663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140012663 - 2² = 140012659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9470 + ... + 19227.

It is an arithmetic number, because the mean of its divisors is an integer number (10847844).

Almost surely, 2^140012663 is an apocalyptic number.

140012663 is a deficient number, since it is larger than the sum of its proper divisors (33552841).

140012663 is a wasteful number, since it uses less digits than its factorization.

140012663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28762.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140012663 is about 11832.6946635160. The cubic root of 140012663 is about 519.2650650828.

The spelling of 140012663 in words is "one hundred forty million, twelve thousand, six hundred sixty-three".