135446256 has 120 divisors (see below), whose sum is σ = 428972544. Its totient is φ = 41031360.

The previous prime is 135446239. The next prime is 135446309. The reversal of 135446256 is 652644531.

135446256 is a `hidden beast` number, since 1 + 3 + 544 + 62 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 135446256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41185 + ... + 44351.

Almost surely, 2^135446256 is an apocalyptic number.

135446256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135446256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214486272).

135446256 is an abundant number, since it is smaller than the sum of its proper divisors (293526288).

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

135446256 is a wasteful number, since it uses less digits than its factorization.

135446256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3183 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 135446256 is about 11638.1379954012. The cubic root of 135446256 is about 513.5574119635.

The spelling of 135446256 in words is "one hundred thirty-five million, four hundred forty-six thousand, two hundred fifty-six".