136591516418 has 32 divisors (see below), whose sum is σ = 235325952000. Its totient is φ = 58247668944.

The previous prime is 136591516417. The next prime is 136591516421. The reversal of 136591516418 is 814615195631.

136591516418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (136591516417) 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, 2297633 + ... + 2356331.

It is an arithmetic number, because the mean of its divisors is an integer number (7353936000).

Almost surely, 2^136591516418 is an apocalyptic number.

136591516418 is a deficient number, since it is larger than the sum of its proper divisors (98734435582).

136591516418 is a wasteful number, since it uses less digits than its factorization.

136591516418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59534.

The product of its digits is 777600, while the sum is 50.

The spelling of 136591516418 in words is "one hundred thirty-six billion, five hundred ninety-one million, five hundred sixteen thousand, four hundred eighteen".