135344461 has 4 divisors (see below), whose sum is σ = 154679392. Its totient is φ = 116009532.

The previous prime is 135344413. The next prime is 135344501. The reversal of 135344461 is 164443531.

It is a happy number.

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 135344461 - 2⁷ = 135344333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135344861) 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, 9667455 + ... + 9667468.

It is an arithmetic number, because the mean of its divisors is an integer number (38669848).

Almost surely, 2^135344461 is an apocalyptic number.

It is an amenable number.

135344461 is a deficient number, since it is larger than the sum of its proper divisors (19334931).

135344461 is an equidigital number, since it uses as much as digits as its factorization.

135344461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19334930.

The product of its digits is 17280, while the sum is 31.

The square root of 135344461 is about 11633.7638363515. The cubic root of 135344461 is about 513.4287245657.

Adding to 135344461 its reverse (164443531), we get a palindrome (299787992).

The spelling of 135344461 in words is "one hundred thirty-five million, three hundred forty-four thousand, four hundred sixty-one".