138350606 has 4 divisors (see below), whose sum is σ = 207525912. Its totient is φ = 69175302.

The previous prime is 138350599. The next prime is 138350621. The reversal of 138350606 is 606053831.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34587650 + ... + 34587653.

It is an arithmetic number, because the mean of its divisors is an integer number (51881478).

Almost surely, 2^138350606 is an apocalyptic number.

138350606 is a deficient number, since it is larger than the sum of its proper divisors (69175306).

138350606 is an equidigital number, since it uses as much as digits as its factorization.

138350606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69175305.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 138350606 is about 11762.2534405615. The cubic root of 138350606 is about 517.2021901207.

The spelling of 138350606 in words is "one hundred thirty-eight million, three hundred fifty thousand, six hundred six".