135242151 has 8 divisors (see below), whose sum is σ = 196715904. Its totient is φ = 81964920.

The previous prime is 135242147. The next prime is 135242161. The reversal of 135242151 is 151242531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135242151 - 2² = 135242147 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2049091 + ... + 2049156.

It is an arithmetic number, because the mean of its divisors is an integer number (24589488).

Almost surely, 2^135242151 is an apocalyptic number.

135242151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135242151 is a deficient number, since it is larger than the sum of its proper divisors (61473753).

135242151 is a wasteful number, since it uses less digits than its factorization.

135242151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098261.

The product of its digits is 1200, while the sum is 24.

The square root of 135242151 is about 11629.3658898497. The cubic root of 135242151 is about 513.2993210819.

Adding to 135242151 its reverse (151242531), we get a palindrome (286484682).

The spelling of 135242151 in words is "one hundred thirty-five million, two hundred forty-two thousand, one hundred fifty-one".