135542201 has 8 divisors (see below), whose sum is σ = 141004800. Its totient is φ = 130132240.

The previous prime is 135542167. The next prime is 135542221. The reversal of 135542201 is 102245531.

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 135542201 - 2¹⁰ = 135541177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135542221) 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, 7865 + ... + 18246.

It is an arithmetic number, because the mean of its divisors is an integer number (17625600).

Almost surely, 2^135542201 is an apocalyptic number.

It is an amenable number.

135542201 is a deficient number, since it is larger than the sum of its proper divisors (5462599).

135542201 is a wasteful number, since it uses less digits than its factorization.

135542201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26319.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 135542201 is about 11642.2592738695. The cubic root of 135542201 is about 513.6786448851.

Adding to 135542201 its reverse (102245531), we get a palindrome (237787732).

The spelling of 135542201 in words is "one hundred thirty-five million, five hundred forty-two thousand, two hundred one".