135078900 has 72 divisors (see below), whose sum is σ = 426368544. Its totient is φ = 32745600.

The previous prime is 135078899. The next prime is 135078989. The reversal of 135078900 is 9870531.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17167 + ... + 23766.

Almost surely, 2^135078900 is an apocalyptic number.

135078900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135078900 is an abundant number, since it is smaller than the sum of its proper divisors (291289644).

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

135078900 is a wasteful number, since it uses less digits than its factorization.

135078900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40961 (or 40954 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 135078900 is about 11622.3448580740. The cubic root of 135078900 is about 513.0927031340.

The spelling of 135078900 in words is "one hundred thirty-five million, seventy-eight thousand, nine hundred".