135355251 has 8 divisors (see below), whose sum is σ = 182260944. Its totient is φ = 89343200.

The previous prime is 135355249. The next prime is 135355277. The reversal of 135355251 is 152553531.

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 135355251 - 2¹ = 135355249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135355201) 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, 223056 + ... + 223661.

It is an arithmetic number, because the mean of its divisors is an integer number (22782618).

Almost surely, 2^135355251 is an apocalyptic number.

135355251 is a deficient number, since it is larger than the sum of its proper divisors (46905693).

135355251 is a wasteful number, since it uses less digits than its factorization.

135355251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446821.

The product of its digits is 11250, while the sum is 30.

The square root of 135355251 is about 11634.2275635299. The cubic root of 135355251 is about 513.4423681452.

The spelling of 135355251 in words is "one hundred thirty-five million, three hundred fifty-five thousand, two hundred fifty-one".