136127971 has 8 divisors (see below), whose sum is σ = 155704320. Its totient is φ = 116584008.

The previous prime is 136127963. The next prime is 136128071. The reversal of 136127971 is 179721631.

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

It is a cyclic number.

It is not a de Polignac number, because 136127971 - 2³ = 136127963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136127971.

It is not an unprimeable number, because it can be changed into a prime (136127911) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1710 + ... + 16588.

It is an arithmetic number, because the mean of its divisors is an integer number (19463040).

Almost surely, 2^136127971 is an apocalyptic number.

136127971 is a deficient number, since it is larger than the sum of its proper divisors (19576349).

136127971 is a wasteful number, since it uses less digits than its factorization.

136127971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193.

The product of its digits is 15876, while the sum is 37.

The square root of 136127971 is about 11667.3892109589. The cubic root of 136127971 is about 514.4175663290.

The spelling of 136127971 in words is "one hundred thirty-six million, one hundred twenty-seven thousand, nine hundred seventy-one".