136553814 has 24 divisors (see below), whose sum is σ = 296718552. Its totient is φ = 45386880.

The previous prime is 136553801. The next prime is 136553819. The reversal of 136553814 is 418355631.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136553819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4392 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (12363273).

Almost surely, 2^136553814 is an apocalyptic number.

136553814 is an abundant number, since it is smaller than the sum of its proper divisors (160164738).

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

136553814 is a wasteful number, since it uses less digits than its factorization.

136553814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21852 (or 21849 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 136553814 is about 11685.6242451997. The cubic root of 136553814 is about 514.9534177241.

The spelling of 136553814 in words is "one hundred thirty-six million, five hundred fifty-three thousand, eight hundred fourteen".