135620286 has 32 divisors (see below), whose sum is σ = 277820928. Its totient is φ = 44115840.

The previous prime is 135620279. The next prime is 135620293. The reversal of 135620286 is 682026531.

135620286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135620279) and next prime (135620293).

It is a super-3 number, since 3×135620286³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166821 + ... + 167631.

It is an arithmetic number, because the mean of its divisors is an integer number (8681904).

Almost surely, 2^135620286 is an apocalyptic number.

135620286 is an abundant number, since it is smaller than the sum of its proper divisors (142200642).

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

135620286 is a wasteful number, since it uses less digits than its factorization.

135620286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 135620286 is about 11645.6123067875. The cubic root of 135620286 is about 513.7772682823. Note that the first 3 decimals are identical.

The spelling of 135620286 in words is "one hundred thirty-five million, six hundred twenty thousand, two hundred eighty-six".