135270442 has 8 divisors (see below), whose sum is σ = 209902500. Its totient is φ = 65302944.

The previous prime is 135270437. The next prime is 135270451. The reversal of 135270442 is 244072531.

It can be written as a sum of positive squares in 2 ways, for example, as 134583201 + 687241 = 11601^2 + 829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135270442.

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, 1166067 + ... + 1166182.

Almost surely, 2^135270442 is an apocalyptic number.

135270442 is a deficient number, since it is larger than the sum of its proper divisors (74632058).

135270442 is a wasteful number, since it uses less digits than its factorization.

135270442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332280.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 135270442 is about 11630.5821866319. The cubic root of 135270442 is about 513.3351105615.

The spelling of 135270442 in words is "one hundred thirty-five million, two hundred seventy thousand, four hundred forty-two".