135550441 has 8 divisors (see below), whose sum is σ = 146069000. Its totient is φ = 125044992.

The previous prime is 135550439. The next prime is 135550451. The reversal of 135550441 is 144055531.

It can be written as a sum of positive squares in 4 ways, for example, as 4928400 + 130622041 = 2220^2 + 11429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135550441 - 2¹ = 135550439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135550411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33841 + ... + 37633.

It is an arithmetic number, because the mean of its divisors is an integer number (18258625).

Almost surely, 2^135550441 is an apocalyptic number.

It is an amenable number.

135550441 is a deficient number, since it is larger than the sum of its proper divisors (10518559).

135550441 is a wasteful number, since it uses less digits than its factorization.

135550441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 135550441 is about 11642.6131516941. The cubic root of 135550441 is about 513.6890540080.

The spelling of 135550441 in words is "one hundred thirty-five million, five hundred fifty thousand, four hundred forty-one".