135504505 has 8 divisors (see below), whose sum is σ = 162894600. Its totient is φ = 108210816.

The previous prime is 135504497. The next prime is 135504521. The reversal of 135504505 is 505405531.

It can be written as a sum of positive squares in 4 ways, for example, as 573049 + 134931456 = 757^2 + 11616^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135504505 - 2³ = 135504497 is a prime.

It is a super-2 number, since 2×135504505² = 36722941750590050, which contains 22 as substring.

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, 20970 + ... + 26659.

It is an arithmetic number, because the mean of its divisors is an integer number (20361825).

Almost surely, 2^135504505 is an apocalyptic number.

It is an amenable number.

135504505 is a deficient number, since it is larger than the sum of its proper divisors (27390095).

135504505 is an equidigital number, since it uses as much as digits as its factorization.

135504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48203.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 135504505 is about 11640.6402315337. The cubic root of 135504505 is about 513.6310202944.

The spelling of 135504505 in words is "one hundred thirty-five million, five hundred four thousand, five hundred five".