135197013 has 32 divisors (see below), whose sum is σ = 215894016. Its totient is φ = 73579968.

The previous prime is 135197003. The next prime is 135197053. The reversal of 135197013 is 310791531.

It is a happy number.

It is not a de Polignac number, because 135197013 - 2⁵ = 135196981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135197003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152670 + ... + 153552.

It is an arithmetic number, because the mean of its divisors is an integer number (6746688).

Almost surely, 2^135197013 is an apocalyptic number.

It is an amenable number.

135197013 is a deficient number, since it is larger than the sum of its proper divisors (80697003).

135197013 is a wasteful number, since it uses less digits than its factorization.

135197013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 135197013 is about 11627.4250373847. The cubic root of 135197013 is about 513.2422089988.

The spelling of 135197013 in words is "one hundred thirty-five million, one hundred ninety-seven thousand, thirteen".