135029137 has 4 divisors (see below), whose sum is σ = 135055360. Its totient is φ = 135002916.

The previous prime is 135029129. The next prime is 135029161. The reversal of 135029137 is 731920531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135029137 - 2³ = 135029129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135029099 and 135029108.

It is not an unprimeable number, because it can be changed into a prime (135029177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553 + ... + 16630.

It is an arithmetic number, because the mean of its divisors is an integer number (33763840).

Almost surely, 2^135029137 is an apocalyptic number.

It is an amenable number.

135029137 is a deficient number, since it is larger than the sum of its proper divisors (26223).

135029137 is an equidigital number, since it uses as much as digits as its factorization.

135029137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26222.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 135029137 is about 11620.2038278164. The cubic root of 135029137 is about 513.0296876957.

Adding to 135029137 its reverse (731920531), we get a palindrome (866949668).

The spelling of 135029137 in words is "one hundred thirty-five million, twenty-nine thousand, one hundred thirty-seven".