139936063 has 4 divisors (see below), whose sum is σ = 139961448. Its totient is φ = 139910680.

The previous prime is 139936031. The next prime is 139936073. The reversal of 139936063 is 360639931.

It is a happy number.

139936063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139936063 - 2⁵ = 139936031 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139936003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 16738.

It is an arithmetic number, because the mean of its divisors is an integer number (34990362).

Almost surely, 2^139936063 is an apocalyptic number.

139936063 is a deficient number, since it is larger than the sum of its proper divisors (25385).

139936063 is an equidigital number, since it uses as much as digits as its factorization.

139936063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25384.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 139936063 is about 11829.4574262728. The cubic root of 139936063 is about 519.1703523166.

The spelling of 139936063 in words is "one hundred thirty-nine million, nine hundred thirty-six thousand, sixty-three".