135543724 has 12 divisors (see below), whose sum is σ = 237840064. Its totient is φ = 67589424.

The previous prime is 135543721. The next prime is 135543787. The reversal of 135543724 is 427345531.

It is a super-2 number, since 2×135543724² = 36744202231576352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135543724.

It is not an unprimeable number, because it can be changed into a prime (135543721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43932 + ... + 46915.

Almost surely, 2^135543724 is an apocalyptic number.

It is an amenable number.

135543724 is a deficient number, since it is larger than the sum of its proper divisors (102296340).

135543724 is a wasteful number, since it uses less digits than its factorization.

135543724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91224 (or 91222 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 135543724 is about 11642.3246819525. The cubic root of 135543724 is about 513.6805688361.

The spelling of 135543724 in words is "one hundred thirty-five million, five hundred forty-three thousand, seven hundred twenty-four".