134074436781 has 8 divisors (see below), whose sum is σ = 179613148384. Its totient is φ = 88959341520.

The previous prime is 134074436767. The next prime is 134074436801. The reversal of 134074436781 is 187634470431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134074436781 - 2⁷ = 134074436653 is a prime.

It is a super-2 number, since 2×134074436781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134074436781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134074436081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 105903346 + ... + 105904611.

It is an arithmetic number, because the mean of its divisors is an integer number (22451643548).

Almost surely, 2^134074436781 is an apocalyptic number.

It is an amenable number.

134074436781 is a deficient number, since it is larger than the sum of its proper divisors (45538711603).

134074436781 is a wasteful number, since it uses less digits than its factorization.

134074436781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211808171.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 134074436781 in words is "one hundred thirty-four billion, seventy-four million, four hundred thirty-six thousand, seven hundred eighty-one".