136194463 has 4 divisors (see below), whose sum is σ = 144205920. Its totient is φ = 128183008.

The previous prime is 136194433. The next prime is 136194467. The reversal of 136194463 is 364491631.

136194463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364491631 = 7 ⋅52070233.

It is a cyclic number.

It is not a de Polignac number, because 136194463 - 2⁹ = 136193951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136194467) 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, 4005703 + ... + 4005736.

It is an arithmetic number, because the mean of its divisors is an integer number (36051480).

Almost surely, 2^136194463 is an apocalyptic number.

136194463 is a deficient number, since it is larger than the sum of its proper divisors (8011457).

136194463 is an equidigital number, since it uses as much as digits as its factorization.

136194463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011456.

The product of its digits is 46656, while the sum is 37.

The square root of 136194463 is about 11670.2383437529. The cubic root of 136194463 is about 514.5013088177.

The spelling of 136194463 in words is "one hundred thirty-six million, one hundred ninety-four thousand, four hundred sixty-three".