135515147 has 8 divisors (see below), whose sum is σ = 138570816. Its totient is φ = 132466752.

The previous prime is 135515123. The next prime is 135515189. The reversal of 135515147 is 741515531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135515147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135515047) 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 7 ways as a sum of consecutive naturals, for example, 55823 + ... + 58199.

It is an arithmetic number, because the mean of its divisors is an integer number (17321352).

Almost surely, 2^135515147 is an apocalyptic number.

135515147 is a deficient number, since it is larger than the sum of its proper divisors (3055669).

135515147 is a wasteful number, since it uses less digits than its factorization.

135515147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637.

The product of its digits is 10500, while the sum is 32.

The square root of 135515147 is about 11641.0973280013. The cubic root of 135515147 is about 513.6444661406.

The spelling of 135515147 in words is "one hundred thirty-five million, five hundred fifteen thousand, one hundred forty-seven".