134402013 has 24 divisors (see below), whose sum is σ = 197308800. Its totient is φ = 88149600.

The previous prime is 134401987. The next prime is 134402033. The reversal of 134402013 is 310204431.

134402013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 134402013 - 2¹⁰ = 134400989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134402033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180520 + ... + 181262.

It is an arithmetic number, because the mean of its divisors is an integer number (8221200).

Almost surely, 2^134402013 is an apocalyptic number.

It is an amenable number.

134402013 is a deficient number, since it is larger than the sum of its proper divisors (62906787).

134402013 is a wasteful number, since it uses less digits than its factorization.

134402013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134402013 is about 11593.1882154997. The cubic root of 134402013 is about 512.2342233293.

Adding to 134402013 its reverse (310204431), we get a palindrome (444606444).

The spelling of 134402013 in words is "one hundred thirty-four million, four hundred two thousand, thirteen".