138583033 has 8 divisors (see below), whose sum is σ = 141062400. Its totient is φ = 136110480.

The previous prime is 138583021. The next prime is 138583037. The reversal of 138583033 is 330385831.

It is a happy number.

138583033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138583033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138583033.

It is not an unprimeable number, because it can be changed into a prime (138583037) 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, 56568 + ... + 58966.

It is an arithmetic number, because the mean of its divisors is an integer number (17632800).

Almost surely, 2^138583033 is an apocalyptic number.

It is an amenable number.

138583033 is a deficient number, since it is larger than the sum of its proper divisors (2479367).

138583033 is an equidigital number, since it uses as much as digits as its factorization.

138583033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 138583033 is about 11772.1295014963. The cubic root of 138583033 is about 517.4916587919.

The spelling of 138583033 in words is "one hundred thirty-eight million, five hundred eighty-three thousand, thirty-three".