138003322 has 4 divisors (see below), whose sum is σ = 207004986. Its totient is φ = 69001660.

The previous prime is 138003319. The next prime is 138003323. The reversal of 138003322 is 223300831.

It is a happy number.

138003322 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108180801 + 29822521 = 10401^2 + 5461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 138003293 and 138003302.

It is not an unprimeable number, because it can be changed into a prime (138003323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34500829 + ... + 34500832.

Almost surely, 2^138003322 is an apocalyptic number.

138003322 is a deficient number, since it is larger than the sum of its proper divisors (69001664).

138003322 is an equidigital number, since it uses as much as digits as its factorization.

138003322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69001663.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 138003322 is about 11747.4815173296. The cubic root of 138003322 is about 516.7690718047.

The spelling of 138003322 in words is "one hundred thirty-eight million, three thousand, three hundred twenty-two".