135426220 has 12 divisors (see below), whose sum is σ = 284395104. Its totient is φ = 54170480.

The previous prime is 135426133. The next prime is 135426241. The reversal of 135426220 is 22624531.

It is a super-2 number, since 2×135426220² = 36680522126976800, which contains 22 as substring.

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, 3385636 + ... + 3385675.

It is an arithmetic number, because the mean of its divisors is an integer number (23699592).

Almost surely, 2^135426220 is an apocalyptic number.

135426220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135426220 is an abundant number, since it is smaller than the sum of its proper divisors (148968884).

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

135426220 is a wasteful number, since it uses less digits than its factorization.

135426220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771320 (or 6771318 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 135426220 is about 11637.2771729473. The cubic root of 135426220 is about 513.5320879124.

The spelling of 135426220 in words is "one hundred thirty-five million, four hundred twenty-six thousand, two hundred twenty".