139286063 has 4 divisors (see below), whose sum is σ = 159184080. Its totient is φ = 119388048.

The previous prime is 139286057. The next prime is 139286071. The reversal of 139286063 is 360682931.

139286063 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 139286063 - 2¹⁶ = 139220527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139286003) 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, 9948998 + ... + 9949011.

It is an arithmetic number, because the mean of its divisors is an integer number (39796020).

Almost surely, 2^139286063 is an apocalyptic number.

139286063 is a deficient number, since it is larger than the sum of its proper divisors (19898017).

139286063 is an equidigital number, since it uses as much as digits as its factorization.

139286063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19898016.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 139286063 is about 11801.9516606365. The cubic root of 139286063 is about 518.3652594441.

It can be divided in two parts, 13928 and 6063, that added together give a palindrome (19991).

The spelling of 139286063 in words is "one hundred thirty-nine million, two hundred eighty-six thousand, sixty-three".