134131132021 has 16 divisors (see below), whose sum is σ = 139068187200. Its totient is φ = 129215244928.

The previous prime is 134131131989. The next prime is 134131132043. The reversal of 134131132021 is 120231131431.

It is a cyclic number.

It is not a de Polignac number, because 134131132021 - 2⁵ = 134131131989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134131131983 and 134131132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134131132061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27982401 + ... + 27987193.

It is an arithmetic number, because the mean of its divisors is an integer number (8691761700).

Almost surely, 2^134131132021 is an apocalyptic number.

It is an amenable number.

134131132021 is a deficient number, since it is larger than the sum of its proper divisors (4937055179).

134131132021 is a wasteful number, since it uses less digits than its factorization.

134131132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 134131132021 its reverse (120231131431), we get a palindrome (254362263452).

The spelling of 134131132021 in words is "one hundred thirty-four billion, one hundred thirty-one million, one hundred thirty-two thousand, twenty-one".