135303513 has 4 divisors (see below), whose sum is σ = 180404688. Its totient is φ = 90202340.

The previous prime is 135303491. The next prime is 135303521. The reversal of 135303513 is 315303531.

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 135303513 - 2⁸ = 135303257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135303593) 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, 22550583 + ... + 22550588.

It is an arithmetic number, because the mean of its divisors is an integer number (45101172).

Almost surely, 2^135303513 is an apocalyptic number.

It is an amenable number.

135303513 is a deficient number, since it is larger than the sum of its proper divisors (45101175).

135303513 is an equidigital number, since it uses as much as digits as its factorization.

135303513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45101174.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 135303513 is about 11632.0038256527. The cubic root of 135303513 is about 513.3769406462.

The spelling of 135303513 in words is "one hundred thirty-five million, three hundred three thousand, five hundred thirteen".