138782063 has 6 divisors (see below), whose sum is σ = 161440416. Its totient is φ = 118956012.

The previous prime is 138782051. The next prime is 138782123. The reversal of 138782063 is 360287831.

It is a happy number.

138782063 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 138782063 - 2⁴ = 138782047 is a prime.

It is a super-2 number, since 2×138782063² = 38520922021071938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132782063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1416095 + ... + 1416192.

It is an arithmetic number, because the mean of its divisors is an integer number (26906736).

Almost surely, 2^138782063 is an apocalyptic number.

138782063 is a deficient number, since it is larger than the sum of its proper divisors (22658353).

138782063 is an equidigital number, since it uses as much as digits as its factorization.

138782063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832301 (or 2832294 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 138782063 is about 11780.5799093253. The cubic root of 138782063 is about 517.7392771207.

The spelling of 138782063 in words is "one hundred thirty-eight million, seven hundred eighty-two thousand, sixty-three".