138632333 has 8 divisors (see below), whose sum is σ = 158755968. Its totient is φ = 118588464.

The previous prime is 138632309. The next prime is 138632423. The reversal of 138632333 is 333236831.

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 138632333 - 2¹⁰ = 138631309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138632333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138632233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16166 + ... + 23207.

It is an arithmetic number, because the mean of its divisors is an integer number (19844496).

Almost surely, 2^138632333 is an apocalyptic number.

It is an amenable number.

138632333 is a deficient number, since it is larger than the sum of its proper divisors (20123635).

138632333 is an equidigital number, since it uses as much as digits as its factorization.

138632333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39883.

The product of its digits is 23328, while the sum is 32.

The square root of 138632333 is about 11774.2232440191. The cubic root of 138632333 is about 517.5530162648.

The spelling of 138632333 in words is "one hundred thirty-eight million, six hundred thirty-two thousand, three hundred thirty-three".