135500601 has 8 divisors (see below), whose sum is σ = 181172160. Its totient is φ = 90081392.

The previous prime is 135500587. The next prime is 135500621. The reversal of 135500601 is 106005531.

It is a happy number.

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 135500601 - 2⁵ = 135500569 is a prime.

It is a super-2 number, since 2×135500601² = 36720825742722402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135500621) 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, 61830 + ... + 63983.

It is an arithmetic number, because the mean of its divisors is an integer number (22646520).

Almost surely, 2^135500601 is an apocalyptic number.

It is an amenable number.

135500601 is a deficient number, since it is larger than the sum of its proper divisors (45671559).

135500601 is a wasteful number, since it uses less digits than its factorization.

135500601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126175.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 135500601 is about 11640.4725419546. The cubic root of 135500601 is about 513.6260875315.

The spelling of 135500601 in words is "one hundred thirty-five million, five hundred thousand, six hundred one".