135201545 has 4 divisors (see below), whose sum is σ = 162241860. Its totient is φ = 108161232.

The previous prime is 135201523. The next prime is 135201623. The reversal of 135201545 is 545102531.

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 83978896 + 51222649 = 9164^2 + 7157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135201545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13520150 + ... + 13520159.

It is an arithmetic number, because the mean of its divisors is an integer number (40560465).

Almost surely, 2^135201545 is an apocalyptic number.

It is an amenable number.

135201545 is a deficient number, since it is larger than the sum of its proper divisors (27040315).

135201545 is an equidigital number, since it uses as much as digits as its factorization.

135201545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27040314.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 135201545 is about 11627.6199198288. The cubic root of 135201545 is about 513.2479438092.

The spelling of 135201545 in words is "one hundred thirty-five million, two hundred one thousand, five hundred forty-five".