134085491951 has 4 divisors (see below), whose sum is σ = 134086395000. Its totient is φ = 134084588904.

The previous prime is 134085491921. The next prime is 134085491987. The reversal of 134085491951 is 159194580431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 134085491951 - 2²⁶ = 134018383087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134085491951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134085491921) 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, 170501 + ... + 545198.

It is an arithmetic number, because the mean of its divisors is an integer number (33521598750).

Almost surely, 2^134085491951 is an apocalyptic number.

134085491951 is a deficient number, since it is larger than the sum of its proper divisors (903049).

134085491951 is an equidigital number, since it uses as much as digits as its factorization.

134085491951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903048.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 134085491951 in words is "one hundred thirty-four billion, eighty-five million, four hundred ninety-one thousand, nine hundred fifty-one".