135187368 has 16 divisors (see below), whose sum is σ = 337968480. Its totient is φ = 45062448.

The previous prime is 135187343. The next prime is 135187387. The reversal of 135187368 is 863781531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2816380 + ... + 2816427.

It is an arithmetic number, because the mean of its divisors is an integer number (21123030).

Almost surely, 2^135187368 is an apocalyptic number.

It is an amenable number.

135187368 is an abundant number, since it is smaller than the sum of its proper divisors (202781112).

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

135187368 is a wasteful number, since it uses less digits than its factorization.

135187368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632816 (or 5632812 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 135187368 is about 11627.0102777971. The cubic root of 135187368 is about 513.2300037518.

The spelling of 135187368 in words is "one hundred thirty-five million, one hundred eighty-seven thousand, three hundred sixty-eight".