134013231021 has 16 divisors (see below), whose sum is σ = 180503463744. Its totient is φ = 88433958144.

The previous prime is 134013231007. The next prime is 134013231047. The reversal of 134013231021 is 120132310431.

It is not a de Polignac number, because 134013231021 - 2¹⁰ = 134013229997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134013631021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217285 + ... + 561461.

It is an arithmetic number, because the mean of its divisors is an integer number (11281466484).

Almost surely, 2^134013231021 is an apocalyptic number.

It is an amenable number.

134013231021 is a deficient number, since it is larger than the sum of its proper divisors (46490232723).

134013231021 is a wasteful number, since it uses less digits than its factorization.

134013231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345500.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 134013231021 its reverse (120132310431), we get a palindrome (254145541452).

The spelling of 134013231021 in words is "one hundred thirty-four billion, thirteen million, two hundred thirty-one thousand, twenty-one".