136266438 has 32 divisors (see below), whose sum is σ = 339782400. Its totient is φ = 35393760.

The previous prime is 136266433. The next prime is 136266439. The reversal of 136266438 is 834662631.

It is a junction number, because it is equal to n+sod(n) for n = 136266396 and 136266405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136266433) 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, 147013 + ... + 147936.

It is an arithmetic number, because the mean of its divisors is an integer number (10618200).

Almost surely, 2^136266438 is an apocalyptic number.

136266438 is an abundant number, since it is smaller than the sum of its proper divisors (203515962).

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

136266438 is a wasteful number, since it uses less digits than its factorization.

136266438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294972.

The product of its digits is 124416, while the sum is 39.

The square root of 136266438 is about 11673.3216352502. The cubic root of 136266438 is about 514.5919260852.

The spelling of 136266438 in words is "one hundred thirty-six million, two hundred sixty-six thousand, four hundred thirty-eight".