135771800 has 24 divisors (see below), whose sum is σ = 315669900. Its totient is φ = 54308640.

The previous prime is 135771799. The next prime is 135771821. The reversal of 135771800 is 8177531.

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 5 ways as a sum of consecutive naturals, for example, 339230 + ... + 339629.

Almost surely, 2^135771800 is an apocalyptic number.

135771800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135771800 is an abundant number, since it is smaller than the sum of its proper divisors (179898100).

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

135771800 is a wasteful number, since it uses less digits than its factorization.

135771800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678875 (or 678866 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 135771800 is about 11652.1156877195. The cubic root of 135771800 is about 513.9685264886.

The spelling of 135771800 in words is "one hundred thirty-five million, seven hundred seventy-one thousand, eight hundred".