135875286 has 16 divisors (see below), whose sum is σ = 301945200. Its totient is φ = 45291744.

The previous prime is 135875279. The next prime is 135875287. The reversal of 135875286 is 682578531.

135875286 is a `hidden beast` number, since 13 + 587 + 52 + 8 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135875287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258051 + ... + 1258158.

It is an arithmetic number, because the mean of its divisors is an integer number (18871575).

Almost surely, 2^135875286 is an apocalyptic number.

135875286 is an abundant number, since it is smaller than the sum of its proper divisors (166069914).

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

135875286 is a wasteful number, since it uses less digits than its factorization.

135875286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516220 (or 2516214 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 135875286 is about 11656.5554946562. Note that the first 3 decimals coincide. The cubic root of 135875286 is about 514.0990765221.

It can be divided in two parts, 135875 and 286, that added together give a square (136161 = 369²).

The spelling of 135875286 in words is "one hundred thirty-five million, eight hundred seventy-five thousand, two hundred eighty-six".