134333891731 has 6 divisors (see below), whose sum is σ = 145462143300. Its totient is φ = 124000515288.

The previous prime is 134333891717. The next prime is 134333891773. The reversal of 134333891731 is 137198333431.

It is not a de Polignac number, because 134333891731 - 2³¹ = 132186408083 is a prime.

It is a super-2 number, since 2×134333891731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134333891431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397437381 + ... + 397437718.

It is an arithmetic number, because the mean of its divisors is an integer number (24243690550).

Almost surely, 2^134333891731 is an apocalyptic number.

134333891731 is a deficient number, since it is larger than the sum of its proper divisors (11128251569).

134333891731 is an equidigital number, since it uses as much as digits as its factorization.

134333891731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794875125 (or 794875112 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The spelling of 134333891731 in words is "one hundred thirty-four billion, three hundred thirty-three million, eight hundred ninety-one thousand, seven hundred thirty-one".