135052201 has 4 divisors (see below), whose sum is σ = 135206032. Its totient is φ = 134898372.

The previous prime is 135052193. The next prime is 135052243. The reversal of 135052201 is 102250531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102250531 = 1307 ⋅78233.

It is a cyclic number.

It is not a de Polignac number, because 135052201 - 2³ = 135052193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135052501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75591 + ... + 77356.

It is an arithmetic number, because the mean of its divisors is an integer number (33801508).

Almost surely, 2^135052201 is an apocalyptic number.

It is an amenable number.

135052201 is a deficient number, since it is larger than the sum of its proper divisors (153831).

135052201 is an equidigital number, since it uses as much as digits as its factorization.

135052201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153830.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 135052201 is about 11621.1961948846. The cubic root of 135052201 is about 513.0588958191.

The spelling of 135052201 in words is "one hundred thirty-five million, fifty-two thousand, two hundred one".