135033251 has 8 divisors (see below), whose sum is σ = 140998320. Its totient is φ = 129155488.

The previous prime is 135033229. The next prime is 135033271. The reversal of 135033251 is 152330531.

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 135033251 - 2¹⁴ = 135016867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135033221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18656 + ... + 24861.

It is an arithmetic number, because the mean of its divisors is an integer number (17624790).

Almost surely, 2^135033251 is an apocalyptic number.

135033251 is a deficient number, since it is larger than the sum of its proper divisors (5965069).

135033251 is a wasteful number, since it uses less digits than its factorization.

135033251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43653.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 135033251 is about 11620.3808457382. The cubic root of 135033251 is about 513.0348978865.

Adding to 135033251 its reverse (152330531), we get a palindrome (287363782).

The spelling of 135033251 in words is "one hundred thirty-five million, thirty-three thousand, two hundred fifty-one".