135029291 has 8 divisors (see below), whose sum is σ = 137311200. Its totient is φ = 132758080.

The previous prime is 135029281. The next prime is 135029303. The reversal of 135029291 is 192920531.

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 135029291 - 2⁶ = 135029227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135029231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25175 + ... + 30063.

It is an arithmetic number, because the mean of its divisors is an integer number (17163900).

Almost surely, 2^135029291 is an apocalyptic number.

135029291 is a deficient number, since it is larger than the sum of its proper divisors (2281909).

135029291 is an equidigital number, since it uses as much as digits as its factorization.

135029291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 135029291 is about 11620.2104542043. The cubic root of 135029291 is about 513.0298827315.

The spelling of 135029291 in words is "one hundred thirty-five million, twenty-nine thousand, two hundred ninety-one".