134446431131 has 4 divisors (see below), whose sum is σ = 134453124552. Its totient is φ = 134439737712.

The previous prime is 134446431121. The next prime is 134446431137. The reversal of 134446431131 is 131134644431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134446431131 is a prime.

It is a super-2 number, since 2×134446431131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134446431091 and 134446431100.

It is not an unprimeable number, because it can be changed into a prime (134446431137) 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 3 ways as a sum of consecutive naturals, for example, 3316490 + ... + 3356783.

It is an arithmetic number, because the mean of its divisors is an integer number (33613281138).

Almost surely, 2^134446431131 is an apocalyptic number.

134446431131 is a deficient number, since it is larger than the sum of its proper divisors (6693421).

134446431131 is an equidigital number, since it uses as much as digits as its factorization.

134446431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693420.

The product of its digits is 41472, while the sum is 35.

The spelling of 134446431131 in words is "one hundred thirty-four billion, four hundred forty-six million, four hundred thirty-one thousand, one hundred thirty-one".