136618422128 has 20 divisors (see below), whose sum is σ = 266283217200. Its totient is φ = 67900172544.

The previous prime is 136618422121. The next prime is 136618422137. The reversal of 136618422128 is 821224816631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136618422121) 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, 25562153 + ... + 25567496.

It is an arithmetic number, because the mean of its divisors is an integer number (13314160860).

Almost surely, 2^136618422128 is an apocalyptic number.

It is an amenable number.

136618422128 is a deficient number, since it is larger than the sum of its proper divisors (129664795072).

136618422128 is a wasteful number, since it uses less digits than its factorization.

136618422128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51129824 (or 51129818 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The spelling of 136618422128 in words is "one hundred thirty-six billion, six hundred eighteen million, four hundred twenty-two thousand, one hundred twenty-eight".