134231232442021 has 16 divisors (see below), whose sum is σ = 160673669452800. Its totient is φ = 110516280563520.

The previous prime is 134231232441961. The next prime is 134231232442039. The reversal of 134231232442021 is 120244232132431.

It is not a de Polignac number, because 134231232442021 - 2²³ = 134231224053413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134231232442051) 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, 8855463621 + ... + 8855478778.

It is an arithmetic number, because the mean of its divisors is an integer number (10042104340800).

Almost surely, 2^{134231232442021} is an apocalyptic number.

134231232442021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134231232442021 is a deficient number, since it is larger than the sum of its proper divisors (26442437010779).

134231232442021 is a wasteful number, since it uses less digits than its factorization.

134231232442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710942476.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 134231232442021 its reverse (120244232132431), we get a palindrome (254475464574452).

The spelling of 134231232442021 in words is "one hundred thirty-four trillion, two hundred thirty-one billion, two hundred thirty-two million, four hundred forty-two thousand, twenty-one".