135005461 has 4 divisors (see below), whose sum is σ = 135117612. Its totient is φ = 134893312.

The previous prime is 135005459. The next prime is 135005471. The reversal of 135005461 is 164500531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13322500 + 121682961 = 3650^2 + 11031^2 .

It is a cyclic number.

It is not a de Polignac number, because 135005461 - 2¹ = 135005459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135005471) 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, 54250 + ... + 56683.

It is an arithmetic number, because the mean of its divisors is an integer number (33779403).

Almost surely, 2^135005461 is an apocalyptic number.

It is an amenable number.

135005461 is a deficient number, since it is larger than the sum of its proper divisors (112151).

135005461 is a wasteful number, since it uses less digits than its factorization.

135005461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112150.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 135005461 is about 11619.1850402685. The cubic root of 135005461 is about 512.9997010791. Note that the first 3 decimals are identical.

Adding to 135005461 its reverse (164500531), we get a palindrome (299505992).

The spelling of 135005461 in words is "one hundred thirty-five million, five thousand, four hundred sixty-one".