134563505365431 has 32 divisors (see below), whose sum is σ = 205161683450880. Its totient is φ = 87105206776608.

The previous prime is 134563505365427. The next prime is 134563505365511.

134563505365431 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 6 + 3 + 50 + 536 + 54 + 3 + 1 = 666.

134563505365431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 134563505365431 - 2² = 134563505365427 is a prime.

It is a super-2 number, since 2×134563505365431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134563505361431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137807331 + ... + 138780356.

It is an arithmetic number, because the mean of its divisors is an integer number (6411302607840).

Almost surely, 2^{134563505365431} is an apocalyptic number.

134563505365431 is a deficient number, since it is larger than the sum of its proper divisors (70598178085449).

134563505365431 is a wasteful number, since it uses less digits than its factorization.

134563505365431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276588220 (or 276588214 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

The spelling of 134563505365431 in words is "one hundred thirty-four trillion, five hundred sixty-three billion, five hundred five million, three hundred sixty-five thousand, four hundred thirty-one".