135307248 has 40 divisors (see below), whose sum is σ = 349977600. Its totient is φ = 45046464.

The previous prime is 135307247. The next prime is 135307253. The reversal of 135307248 is 842703531.

It is a super-2 number, since 2×135307248² = 36616102722667008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135307247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59313 + ... + 61551.

It is an arithmetic number, because the mean of its divisors is an integer number (8749440).

Almost surely, 2^135307248 is an apocalyptic number.

It is an amenable number.

135307248 is an abundant number, since it is smaller than the sum of its proper divisors (214670352).

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

135307248 is a wasteful number, since it uses less digits than its factorization.

135307248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 135307248 is about 11632.1643729789. The cubic root of 135307248 is about 513.3816644586.

The spelling of 135307248 in words is "one hundred thirty-five million, three hundred seven thousand, two hundred forty-eight".