138653333 has 8 divisors (see below), whose sum is σ = 170650368. Its totient is φ = 109703664.

The previous prime is 138653329. The next prime is 138653357. The reversal of 138653333 is 333356831.

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

It is not a de Polignac number, because 138653333 - 2² = 138653329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138653293 and 138653302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138653233) 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, 761741 + ... + 761922.

It is an arithmetic number, because the mean of its divisors is an integer number (21331296).

Almost surely, 2^138653333 is an apocalyptic number.

138653333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

138653333 is a deficient number, since it is larger than the sum of its proper divisors (31997035).

138653333 is a wasteful number, since it uses less digits than its factorization.

138653333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523683.

The product of its digits is 58320, while the sum is 35.

The square root of 138653333 is about 11775.1149888228. The cubic root of 138653333 is about 517.5791478902.

The spelling of 138653333 in words is "one hundred thirty-eight million, six hundred fifty-three thousand, three hundred thirty-three".