135724272 has 40 divisors (see below), whose sum is σ = 351038544. Its totient is φ = 45187584.

The previous prime is 135724271. The next prime is 135724279. The reversal of 135724272 is 272427531.

135724272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135724271) 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, 76548 + ... + 78300.

Almost surely, 2^135724272 is an apocalyptic number.

135724272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135724272 is an abundant number, since it is smaller than the sum of its proper divisors (215314272).

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

135724272 is a wasteful number, since it uses less digits than its factorization.

135724272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3371 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 135724272 is about 11650.0760512539. The cubic root of 135724272 is about 513.9085465638.

The spelling of 135724272 in words is "one hundred thirty-five million, seven hundred twenty-four thousand, two hundred seventy-two".