135507229 has 8 divisors (see below), whose sum is σ = 159197472. Its totient is φ = 113712240.

The previous prime is 135507193. The next prime is 135507241. The reversal of 135507229 is 922705531.

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 135507229 - 2⁷ = 135507101 is a prime.

It is a super-2 number, since 2×135507229² = 36724418222516882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135507194 and 135507203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135507269) 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, 473659 + ... + 473944.

It is an arithmetic number, because the mean of its divisors is an integer number (19899684).

Almost surely, 2^135507229 is an apocalyptic number.

It is an amenable number.

135507229 is a deficient number, since it is larger than the sum of its proper divisors (23690243).

135507229 is a wasteful number, since it uses less digits than its factorization.

135507229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947627.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 135507229 is about 11640.7572348194. The cubic root of 135507229 is about 513.6344620533.

The spelling of 135507229 in words is "one hundred thirty-five million, five hundred seven thousand, two hundred twenty-nine".