134256456445 has 4 divisors (see below), whose sum is σ = 161107747740. Its totient is φ = 107405165152.

The previous prime is 134256456437. The next prime is 134256456511. The reversal of 134256456445 is 544654652431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544654652431 = 79 ⋅6894362689.

It can be written as a sum of positive squares in 2 ways, for example, as 24778852569 + 109477603876 = 157413^2 + 330874^2 .

It is a cyclic number.

It is not a de Polignac number, because 134256456445 - 2³ = 134256456437 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 13425645640 + ... + 13425645649.

It is an arithmetic number, because the mean of its divisors is an integer number (40276936935).

Almost surely, 2^134256456445 is an apocalyptic number.

It is an amenable number.

134256456445 is a deficient number, since it is larger than the sum of its proper divisors (26851291295).

134256456445 is an equidigital number, since it uses as much as digits as its factorization.

134256456445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26851291294.

The product of its digits is 6912000, while the sum is 49.

The spelling of 134256456445 in words is "one hundred thirty-four billion, two hundred fifty-six million, four hundred fifty-six thousand, four hundred forty-five".