135845513 has 4 divisors (see below), whose sum is σ = 135907200. Its totient is φ = 135783828.

The previous prime is 135845491. The next prime is 135845527. The reversal of 135845513 is 315548531.

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 135845513 - 2⁸ = 135845257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135845533) 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, 27413 + ... + 31986.

It is an arithmetic number, because the mean of its divisors is an integer number (33976800).

Almost surely, 2^135845513 is an apocalyptic number.

It is an amenable number.

135845513 is a deficient number, since it is larger than the sum of its proper divisors (61687).

135845513 is an equidigital number, since it uses as much as digits as its factorization.

135845513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61686.

The product of its digits is 36000, while the sum is 35.

The square root of 135845513 is about 11655.2783321549. The cubic root of 135845513 is about 514.0615239734.

The spelling of 135845513 in words is "one hundred thirty-five million, eight hundred forty-five thousand, five hundred thirteen".