135242101 has 4 divisors (see below), whose sum is σ = 137534400. Its totient is φ = 132949804.

The previous prime is 135242087. The next prime is 135242117. The reversal of 135242101 is 101242531.

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.

It is a cyclic number.

It is not a de Polignac number, because 135242101 - 2⁷ = 135241973 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 (135242161) 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, 1146061 + ... + 1146178.

It is an arithmetic number, because the mean of its divisors is an integer number (34383600).

Almost surely, 2^135242101 is an apocalyptic number.

It is an amenable number.

135242101 is a deficient number, since it is larger than the sum of its proper divisors (2292299).

135242101 is an equidigital number, since it uses as much as digits as its factorization.

135242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292298.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 135242101 is about 11629.3637401192. The cubic root of 135242101 is about 513.2992578250.

Adding to 135242101 its reverse (101242531), we get a palindrome (236484632).

It can be divided in two parts, 13524 and 2101, that added together give a 6-th power (15625 = 5⁶).

The spelling of 135242101 in words is "one hundred thirty-five million, two hundred forty-two thousand, one hundred one".