135787104 has 60 divisors (see below), whose sum is σ = 399353724. Its totient is φ = 45261504.

The previous prime is 135787103. The next prime is 135787111. The reversal of 135787104 is 401787531.

135787104 is a `hidden beast` number, since 13 + 578 + 71 + 0 + 4 = 666.

It is a super-2 number, since 2×135787104² = 36876275225413632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135787103) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23602 + ... + 28785.

Almost surely, 2^135787104 is an apocalyptic number.

It is an amenable number.

135787104 is an abundant number, since it is smaller than the sum of its proper divisors (263566620).

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

135787104 is an equidigital number, since it uses as much as digits as its factorization.

135787104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52409 (or 52392 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 135787104 is about 11652.7723739889. The cubic root of 135787104 is about 513.9878370249.

The spelling of 135787104 in words is "one hundred thirty-five million, seven hundred eighty-seven thousand, one hundred four".