134252013 has 12 divisors (see below), whose sum is σ = 208227840. Its totient is φ = 76715352.

The previous prime is 134251973. The next prime is 134252017. The reversal of 134252013 is 310252431.

It is not a de Polignac number, because 134252013 - 2¹² = 134247917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134252017) 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, 456493 + ... + 456786.

It is an arithmetic number, because the mean of its divisors is an integer number (17352320).

Almost surely, 2^134252013 is an apocalyptic number.

It is an amenable number.

134252013 is a deficient number, since it is larger than the sum of its proper divisors (73975827).

134252013 is an equidigital number, since it uses as much as digits as its factorization.

134252013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913296 (or 913289 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 134252013 is about 11586.7170932926. The cubic root of 134252013 is about 512.0435919204.

The spelling of 134252013 in words is "one hundred thirty-four million, two hundred fifty-two thousand, thirteen".