135604501 has 8 divisors (see below), whose sum is σ = 143599680. Its totient is φ = 127695168.

The previous prime is 135604451. The next prime is 135604543. The reversal of 135604501 is 105406531.

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 135604501 - 2⁷ = 135604373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135604561) 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, 18196 + ... + 24541.

It is an arithmetic number, because the mean of its divisors is an integer number (17949960).

Almost surely, 2^135604501 is an apocalyptic number.

It is an amenable number.

135604501 is a deficient number, since it is larger than the sum of its proper divisors (7995179).

135604501 is a wasteful number, since it uses less digits than its factorization.

135604501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42923.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 135604501 is about 11644.9345640068. The cubic root of 135604501 is about 513.7573344679.

The spelling of 135604501 in words is "one hundred thirty-five million, six hundred four thousand, five hundred one".