134235513 has 12 divisors (see below), whose sum is σ = 204101040. Its totient is φ = 84780216.

The previous prime is 134235509. The next prime is 134235533. The reversal of 134235513 is 315532431.

It is not a de Polignac number, because 134235513 - 2² = 134235509 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (134235503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392331 + ... + 392672.

It is an arithmetic number, because the mean of its divisors is an integer number (17008420).

Almost surely, 2^134235513 is an apocalyptic number.

It is an amenable number.

134235513 is a deficient number, since it is larger than the sum of its proper divisors (69865527).

134235513 is a wasteful number, since it uses less digits than its factorization.

134235513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785028 (or 785025 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 134235513 is about 11586.0050491962. The cubic root of 134235513 is about 512.0226137981.

Adding to 134235513 its reverse (315532431), we get a palindrome (449767944).

The spelling of 134235513 in words is "one hundred thirty-four million, two hundred thirty-five thousand, five hundred thirteen".