135360553 has 4 divisors (see below), whose sum is σ = 136558548. Its totient is φ = 134162560.

The previous prime is 135360551. The next prime is 135360559. The reversal of 135360553 is 355063531.

It is a happy number.

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 35200489 + 100160064 = 5933^2 + 10008^2 .

It is a cyclic number.

It is not a de Polignac number, because 135360553 - 2¹ = 135360551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135360551) 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, 598828 + ... + 599053.

It is an arithmetic number, because the mean of its divisors is an integer number (34139637).

Almost surely, 2^135360553 is an apocalyptic number.

It is an amenable number.

135360553 is a deficient number, since it is larger than the sum of its proper divisors (1197995).

135360553 is a wasteful number, since it uses less digits than its factorization.

135360553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197994.

The product of its (nonzero) digits is 20250, while the sum is 31.

The square root of 135360553 is about 11634.4554234395. The cubic root of 135360553 is about 513.4490720739.

The spelling of 135360553 in words is "one hundred thirty-five million, three hundred sixty thousand, five hundred fifty-three".