134642144455 has 64 divisors (see below), whose sum is σ = 202407367680. Its totient is φ = 83704679424.

The previous prime is 134642144389. The next prime is 134642144471. The reversal of 134642144455 is 554441246431.

It is a cyclic number.

It is not a de Polignac number, because 134642144455 - 2¹⁵ = 134642111687 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 (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57366592 + ... + 57368938.

It is an arithmetic number, because the mean of its divisors is an integer number (3162615120).

Almost surely, 2^134642144455 is an apocalyptic number.

134642144455 is a deficient number, since it is larger than the sum of its proper divisors (67765223225).

134642144455 is a wasteful number, since it uses less digits than its factorization.

134642144455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568.

The product of its digits is 921600, while the sum is 43.

The spelling of 134642144455 in words is "one hundred thirty-four billion, six hundred forty-two million, one hundred forty-four thousand, four hundred fifty-five".