138714833 has 4 divisors (see below), whose sum is σ = 141332148. Its totient is φ = 136097520.

The previous prime is 138714811. The next prime is 138714847. The reversal of 138714833 is 338417831.

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

It can be written as a sum of positive squares in 2 ways, for example, as 117765904 + 20948929 = 10852^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 138714833 - 2⁶ = 138714769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138714853) 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, 1308578 + ... + 1308683.

It is an arithmetic number, because the mean of its divisors is an integer number (35333037).

Almost surely, 2^138714833 is an apocalyptic number.

It is an amenable number.

138714833 is a deficient number, since it is larger than the sum of its proper divisors (2617315).

138714833 is an equidigital number, since it uses as much as digits as its factorization.

138714833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617314.

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

The square root of 138714833 is about 11777.7261387757. The cubic root of 138714833 is about 517.6556610467.

The spelling of 138714833 in words is "one hundred thirty-eight million, seven hundred fourteen thousand, eight hundred thirty-three".