135320248 has 32 divisors (see below), whose sum is σ = 297813600. Its totient is φ = 56426112.

The previous prime is 135320231. The next prime is 135320279. The reversal of 135320248 is 842023531.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30583 + ... + 34726.

It is an arithmetic number, because the mean of its divisors is an integer number (9306675).

Almost surely, 2^135320248 is an apocalyptic number.

It is an amenable number.

135320248 is an abundant number, since it is smaller than the sum of its proper divisors (162493352).

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

135320248 is a wasteful number, since it uses less digits than its factorization.

135320248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65359 (or 65355 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 135320248 is about 11632.7231549625. The cubic root of 135320248 is about 513.3981054303.

Adding to 135320248 its reverse (842023531), we get a palindrome (977343779).

The spelling of 135320248 in words is "one hundred thirty-five million, three hundred twenty thousand, two hundred forty-eight".