136143536227 has 8 divisors (see below), whose sum is σ = 138476217600. Its totient is φ = 133827340680.

The previous prime is 136143536197. The next prime is 136143536231. The reversal of 136143536227 is 722635341631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136143536227 is a prime.

It is a super-2 number, since 2×136143536227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136143536257) 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, 4104799 + ... + 4137832.

It is an arithmetic number, because the mean of its divisors is an integer number (17309527200).

Almost surely, 2^136143536227 is an apocalyptic number.

136143536227 is a deficient number, since it is larger than the sum of its proper divisors (2332681373).

136143536227 is an equidigital number, since it uses as much as digits as its factorization.

136143536227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242913.

The product of its digits is 544320, while the sum is 43.

Adding to 136143536227 its reverse (722635341631), we get a palindrome (858778877858).

The spelling of 136143536227 in words is "one hundred thirty-six billion, one hundred forty-three million, five hundred thirty-six thousand, two hundred twenty-seven".