138332833 has 8 divisors (see below), whose sum is σ = 144563328. Its totient is φ = 132120384.

The previous prime is 138332827. The next prime is 138332839. The reversal of 138332833 is 338233831.

It is an interprime number because it is at equal distance from previous prime (138332827) and next prime (138332839).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138332833 - 2⁹ = 138332321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138332839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12585 + ... + 20857.

It is an arithmetic number, because the mean of its divisors is an integer number (18070416).

Almost surely, 2^138332833 is an apocalyptic number.

It is an amenable number.

138332833 is a deficient number, since it is larger than the sum of its proper divisors (6230495).

138332833 is an equidigital number, since it uses as much as digits as its factorization.

138332833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023.

The product of its digits is 31104, while the sum is 34.

The square root of 138332833 is about 11761.4979063043. The cubic root of 138332833 is about 517.1800419749.

The spelling of 138332833 in words is "one hundred thirty-eight million, three hundred thirty-two thousand, eight hundred thirty-three".