135637854 has 48 divisors (see below), whose sum is σ = 311181696. Its totient is φ = 39310480.

The previous prime is 135637847. The next prime is 135637871. The reversal of 135637854 is 458736531.

135637854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12637 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (6482952).

Almost surely, 2^135637854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135637854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155590848).

135637854 is an abundant number, since it is smaller than the sum of its proper divisors (175543842).

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

135637854 is a wasteful number, since it uses less digits than its factorization.

135637854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173 (or 8162 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 135637854 is about 11646.3665578583. The cubic root of 135637854 is about 513.7994519089.

The spelling of 135637854 in words is "one hundred thirty-five million, six hundred thirty-seven thousand, eight hundred fifty-four".