135870284 has 12 divisors (see below), whose sum is σ = 259388808. Its totient is φ = 61759200.

The previous prime is 135870277. The next prime is 135870289. The reversal of 135870284 is 482078531.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (135870289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543937 + ... + 1544024.

It is an arithmetic number, because the mean of its divisors is an integer number (21615734).

Almost surely, 2^135870284 is an apocalyptic number.

It is an amenable number.

135870284 is a deficient number, since it is larger than the sum of its proper divisors (123518524).

135870284 is a wasteful number, since it uses less digits than its factorization.

135870284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087976 (or 3087974 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 135870284 is about 11656.3409353021. The cubic root of 135870284 is about 514.0927679058.

The spelling of 135870284 in words is "one hundred thirty-five million, eight hundred seventy thousand, two hundred eighty-four".