135472441 has 4 divisors (see below), whose sum is σ = 145893412. Its totient is φ = 125051472.

The previous prime is 135472357. The next prime is 135472453. The reversal of 135472441 is 144274531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144274531 = 41 ⋅3518891.

It can be written as a sum of positive squares in 2 ways, for example, as 61168041 + 74304400 = 7821^2 + 8620^2 .

It is not a de Polignac number, because 135472441 - 2¹⁵ = 135439673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135452441) 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, 5210466 + ... + 5210491.

It is an arithmetic number, because the mean of its divisors is an integer number (36473353).

Almost surely, 2^135472441 is an apocalyptic number.

It is an amenable number.

135472441 is a deficient number, since it is larger than the sum of its proper divisors (10420971).

135472441 is a wasteful number, since it uses less digits than its factorization.

135472441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420970.

The product of its digits is 13440, while the sum is 31.

The square root of 135472441 is about 11639.2629062153. The cubic root of 135472441 is about 513.5905041403.

The spelling of 135472441 in words is "one hundred thirty-five million, four hundred seventy-two thousand, four hundred forty-one".