136070187217 has 8 divisors (see below), whose sum is σ = 137127292200. Its totient is φ = 135015000960.

The previous prime is 136070187193. The next prime is 136070187229. The reversal of 136070187217 is 712781070631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 151880976 + 135918306241 = 12324^2 + 368671^2 .

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 136070187217 - 2⁷ = 136070187089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136070187247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337134 + ... + 621127.

It is an arithmetic number, because the mean of its divisors is an integer number (17140911525).

Almost surely, 2^136070187217 is an apocalyptic number.

It is an amenable number.

136070187217 is a deficient number, since it is larger than the sum of its proper divisors (1057104983).

136070187217 is an equidigital number, since it uses as much as digits as its factorization.

136070187217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959363.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 136070187217 in words is "one hundred thirty-six billion, seventy million, one hundred eighty-seven thousand, two hundred seventeen".