134564040325057 has 24 divisors (see below), whose sum is σ = 158150855438856. Its totient is φ = 114149054251008.

The previous prime is 134564040324997. The next prime is 134564040325063. The reversal of 134564040325057 is 750523040465431.

It can be written as a sum of positive squares in 4 ways, for example, as 16936155006736 + 117627885318321 = 4115356^2 + 10845639^2 .

It is a de Polignac number, because none of the positive numbers 2^k-134564040325057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 134564040325057.

It is not an unprimeable number, because it can be changed into a prime (134564040325457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238665993 + ... + 239229145.

It is an arithmetic number, because the mean of its divisors is an integer number (6589618976619).

Almost surely, 2^{134564040325057} is an apocalyptic number.

It is an amenable number.

134564040325057 is a deficient number, since it is larger than the sum of its proper divisors (23586815113799).

134564040325057 is an equidigital number, since it uses as much as digits as its factorization.

134564040325057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613537 (or 613530 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 134564040325057 in words is "one hundred thirty-four trillion, five hundred sixty-four billion, forty million, three hundred twenty-five thousand, fifty-seven".