38320133 has 4 divisors (see below), whose sum is σ = 38599980. Its totient is φ = 38040288.

The previous prime is 38320127. The next prime is 38320147. The reversal of 38320133 is 33102383.

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 29181604 + 9138529 = 5402^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 38320133 - 2⁶ = 38320069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38320099 and 38320108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320103) 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, 139718 + ... + 139991.

It is an arithmetic number, because the mean of its divisors is an integer number (9649995).

Almost surely, 2^38320133 is an apocalyptic number.

It is an amenable number.

38320133 is a deficient number, since it is larger than the sum of its proper divisors (279847).

38320133 is a wasteful number, since it uses less digits than its factorization.

38320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279846.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 38320133 is about 6190.3257587949. The cubic root of 38320133 is about 337.1390064248.

The spelling of 38320133 in words is "thirty-eight million, three hundred twenty thousand, one hundred thirty-three".