135882450 has 144 divisors (see below), whose sum is σ = 403786656. Its totient is φ = 32486400.

The previous prime is 135882437. The next prime is 135882469. The reversal of 135882450 is 54288531.

It is a happy number.

135882450 is a `hidden beast` number, since 1 + 3 + 588 + 24 + 50 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 480009 + ... + 480291.

It is an arithmetic number, because the mean of its divisors is an integer number (2804074).

Almost surely, 2^135882450 is an apocalyptic number.

135882450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135882450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201893328).

135882450 is an abundant number, since it is smaller than the sum of its proper divisors (267904206).

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

135882450 is a wasteful number, since it uses less digits than its factorization.

135882450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 135882450 is about 11656.8627855011. The cubic root of 135882450 is about 514.1081116238.

The spelling of 135882450 in words is "one hundred thirty-five million, eight hundred eighty-two thousand, four hundred fifty".