136127867938 has 8 divisors (see below), whose sum is σ = 204197378220. Its totient is φ = 68062075200.

The previous prime is 136127867933. The next prime is 136127867963. The reversal of 136127867938 is 839768721631.

It can be written as a sum of positive squares in 2 ways, for example, as 102423681369 + 33704186569 = 320037^2 + 183587^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136127867933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835963 + ... + 985438.

Almost surely, 2^136127867938 is an apocalyptic number.

136127867938 is a deficient number, since it is larger than the sum of its proper divisors (68069510282).

136127867938 is a wasteful number, since it uses less digits than its factorization.

136127867938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858772.

The product of its digits is 18289152, while the sum is 61.

The spelling of 136127867938 in words is "one hundred thirty-six billion, one hundred twenty-seven million, eight hundred sixty-seven thousand, nine hundred thirty-eight".