135041244 has 48 divisors (see below), whose sum is σ = 345758112. Its totient is φ = 40764672.

The previous prime is 135041237. The next prime is 135041261. The reversal of 135041244 is 442140531.

It is a super-2 number, since 2×135041244² = 36472275162135072, which contains 22 as substring.

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, 102 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (7203294).

Almost surely, 2^135041244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135041244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172879056).

135041244 is an abundant number, since it is smaller than the sum of its proper divisors (210716868).

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

135041244 is a wasteful number, since it uses less digits than its factorization.

135041244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16406 (or 16404 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 135041244 is about 11620.7247622513. The cubic root of 135041244 is about 513.0450203489.

Adding to 135041244 its reverse (442140531), we get a palindrome (577181775).

The spelling of 135041244 in words is "one hundred thirty-five million, forty-one thousand, two hundred forty-four".