137686006 has 4 divisors (see below), whose sum is σ = 206529012. Its totient is φ = 68843002.

The previous prime is 137686001. The next prime is 137686037. The reversal of 137686006 is 600686731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137686001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34421500 + ... + 34421503.

It is an arithmetic number, because the mean of its divisors is an integer number (51632253).

Almost surely, 2^137686006 is an apocalyptic number.

137686006 is a deficient number, since it is larger than the sum of its proper divisors (68843006).

137686006 is an equidigital number, since it uses as much as digits as its factorization.

137686006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68843005.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 137686006 is about 11733.9680415450. The cubic root of 137686006 is about 516.3726926108.

The spelling of 137686006 in words is "one hundred thirty-seven million, six hundred eighty-six thousand, six".