137100506 has 8 divisors (see below), whose sum is σ = 209531124. Its totient is φ = 67256800.

The previous prime is 137100499. The next prime is 137100511. The reversal of 137100506 is 605001731.

It can be written as a sum of positive squares in 2 ways, for example, as 124434025 + 12666481 = 11155^2 + 3559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646595 + ... + 646806.

Almost surely, 2^137100506 is an apocalyptic number.

137100506 is a deficient number, since it is larger than the sum of its proper divisors (72430618).

137100506 is a wasteful number, since it uses less digits than its factorization.

137100506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293456.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 137100506 is about 11708.9925271135. The cubic root of 137100506 is about 515.6397065215.

The spelling of 137100506 in words is "one hundred thirty-seven million, one hundred thousand, five hundred six".