135234401 has 4 divisors (see below), whose sum is σ = 135591600. Its totient is φ = 134877204.

The previous prime is 135234373. The next prime is 135234409. The reversal of 135234401 is 104432531.

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 135234401 - 2²⁶ = 68125537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135234409) 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 3 ways as a sum of consecutive naturals, for example, 178031 + ... + 178788.

It is an arithmetic number, because the mean of its divisors is an integer number (33897900).

Almost surely, 2^135234401 is an apocalyptic number.

It is an amenable number.

135234401 is a deficient number, since it is larger than the sum of its proper divisors (357199).

135234401 is an equidigital number, since it uses as much as digits as its factorization.

135234401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357198.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 135234401 is about 11629.0326768825. The cubic root of 135234401 is about 513.2895160872.

Adding to 135234401 its reverse (104432531), we get a palindrome (239666932).

It can be divided in two parts, 1352 and 34401, that added together give a palindrome (35753).

The spelling of 135234401 in words is "one hundred thirty-five million, two hundred thirty-four thousand, four hundred one".