135555800 has 24 divisors (see below), whose sum is σ = 315167700. Its totient is φ = 54222240.

The previous prime is 135555757. The next prime is 135555803. The reversal of 135555800 is 8555531.

It is a super-3 number, since 3×135555800³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135555803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338690 + ... + 339089.

Almost surely, 2^135555800 is an apocalyptic number.

135555800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135555800 is an abundant number, since it is smaller than the sum of its proper divisors (179611900).

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

135555800 is a wasteful number, since it uses less digits than its factorization.

135555800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677795 (or 677786 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 135555800 is about 11642.8432953467. The cubic root of 135555800 is about 513.6958235012.

The spelling of 135555800 in words is "one hundred thirty-five million, five hundred fifty-five thousand, eight hundred".