135553600 has 336 divisors, whose sum is σ = 440944000. Its totient is φ = 40642560.

The previous prime is 135553591. The next prime is 135553601. The reversal of 135553600 is 6355531.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (135553601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7134391 + ... + 7134409.

Almost surely, 2^135553600 is an apocalyptic number.

135553600 is a gapful number since it is divisible by the number (10) 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 135553600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220472000).

135553600 is an abundant number, since it is smaller than the sum of its proper divisors (305390400).

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

135553600 is a wasteful number, since it uses less digits than its factorization.

135553600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 135553600 is about 11642.7488163234. The cubic root of 135553600 is about 513.6930444810.

The spelling of 135553600 in words is "one hundred thirty-five million, five hundred fifty-three thousand, six hundred".