136168132247 has 16 divisors (see below), whose sum is σ = 157025639232. Its totient is φ = 115662220800.

The previous prime is 136168132231. The next prime is 136168132249. The reversal of 136168132247 is 742231861631.

It is a happy number.

It is not a de Polignac number, because 136168132247 - 2⁴ = 136168132231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136168132198 and 136168132207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136168132249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5934497 + ... + 5957397.

It is an arithmetic number, because the mean of its divisors is an integer number (9814102452).

Almost surely, 2^136168132247 is an apocalyptic number.

136168132247 is a deficient number, since it is larger than the sum of its proper divisors (20857506985).

136168132247 is a wasteful number, since it uses less digits than its factorization.

136168132247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30538.

The product of its digits is 290304, while the sum is 44.

Adding to 136168132247 its reverse (742231861631), we get a palindrome (878399993878).

The spelling of 136168132247 in words is "one hundred thirty-six billion, one hundred sixty-eight million, one hundred thirty-two thousand, two hundred forty-seven".