136105685394 has 64 divisors (see below), whose sum is σ = 327537868800. Its totient is φ = 36833263488.

The previous prime is 136105685393. The next prime is 136105685407. The reversal of 136105685394 is 493586501631.

136105685394 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 (136105685393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4837014 + ... + 4865070.

It is an arithmetic number, because the mean of its divisors is an integer number (5117779200).

Almost surely, 2^136105685394 is an apocalyptic number.

136105685394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136105685394 is an abundant number, since it is smaller than the sum of its proper divisors (191432183406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136105685394 is a wasteful number, since it uses less digits than its factorization.

136105685394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34167.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 136105685394 in words is "one hundred thirty-six billion, one hundred five million, six hundred eighty-five thousand, three hundred ninety-four".