135505024 has 32 divisors (see below), whose sum is σ = 270488700. Its totient is φ = 67617792.

The previous prime is 135505001. The next prime is 135505031. The reversal of 135505024 is 420505531.

It can be written as a sum of positive squares in 2 ways, for example, as 133633600 + 1871424 = 11560^2 + 1368^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×135505024² = 36723223058481152, 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 135505024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105474 + ... + 106750.

Almost surely, 2^135505024 is an apocalyptic number.

It is an amenable number.

135505024 is a deficient number, since it is larger than the sum of its proper divisors (134983676).

135505024 is an equidigital number, since it uses as much as digits as its factorization.

135505024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 135505024 is about 11640.6625241006. The cubic root of 135505024 is about 513.6316760515.

The spelling of 135505024 in words is "one hundred thirty-five million, five hundred five thousand, twenty-four".