134240207693823 has 192 divisors, whose sum is σ = 256665611824128. Its totient is φ = 65454680309760.

The previous prime is 134240207693777. The next prime is 134240207693833. The reversal of 134240207693823 is 328396702042431.

It is a happy number.

134240207693823 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 402 + 0 + 76 + 93 + 82 + 3 = 666.

It is not a de Polignac number, because 134240207693823 - 2⁹ = 134240207693311 is a prime.

It is a super-2 number, since 2×134240207693823² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134240207693823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134240207693833) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11096977311 + ... + 11096989407.

It is an arithmetic number, because the mean of its divisors is an integer number (1336800061584).

Almost surely, 2^{134240207693823} is an apocalyptic number.

134240207693823 is a deficient number, since it is larger than the sum of its proper divisors (122425404130305).

134240207693823 is a wasteful number, since it uses less digits than its factorization.

134240207693823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14622 (or 14619 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 134240207693823 in words is "one hundred thirty-four trillion, two hundred forty billion, two hundred seven million, six hundred ninety-three thousand, eight hundred twenty-three".