137216606 has 4 divisors (see below), whose sum is σ = 205824912. Its totient is φ = 68608302.

The previous prime is 137216593. The next prime is 137216617. The reversal of 137216606 is 606612731.

137216606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606612731 = 61 ⋅9944471.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34304150 + ... + 34304153.

It is an arithmetic number, because the mean of its divisors is an integer number (51456228).

Almost surely, 2^137216606 is an apocalyptic number.

137216606 is a deficient number, since it is larger than the sum of its proper divisors (68608306).

137216606 is an equidigital number, since it uses as much as digits as its factorization.

137216606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68608305.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 137216606 is about 11713.9492059681. The cubic root of 137216606 is about 515.7852174828.

The spelling of 137216606 in words is "one hundred thirty-seven million, two hundred sixteen thousand, six hundred six".