135980800 has 54 divisors (see below), whose sum is σ = 336589568. Its totient is φ = 54389760.

The previous prime is 135980791. The next prime is 135980839. The reversal of 135980800 is 8089531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4224 + ... + 17023.

Almost surely, 2^135980800 is an apocalyptic number.

135980800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135980800 is an abundant number, since it is smaller than the sum of its proper divisors (200608768).

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

135980800 is an equidigital number, since it uses as much as digits as its factorization.

135980800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273 (or 21254 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 135980800 is about 11661.0805674260. The cubic root of 135980800 is about 514.2321166954.

The spelling of 135980800 in words is "one hundred thirty-five million, nine hundred eighty thousand, eight hundred".