136563438 has 32 divisors (see below), whose sum is σ = 300609792. Its totient is φ = 41014400.

The previous prime is 136563421. The next prime is 136563461. The reversal of 136563438 is 834365631.

136563438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136563396 and 136563405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (9394056).

Almost surely, 2^136563438 is an apocalyptic number.

136563438 is an abundant number, since it is smaller than the sum of its proper divisors (164046354).

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

136563438 is a wasteful number, since it uses less digits than its factorization.

136563438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18440.

The product of its digits is 155520, while the sum is 39.

The square root of 136563438 is about 11686.0360259585. The cubic root of 136563438 is about 514.9655150190.

The spelling of 136563438 in words is "one hundred thirty-six million, five hundred sixty-three thousand, four hundred thirty-eight".