134773093581 has 32 divisors (see below), whose sum is σ = 206754643968. Its totient is φ = 76494620160.

The previous prime is 134773093541. The next prime is 134773093607. The reversal of 134773093581 is 185390377431.

It is a happy number.

It is not a de Polignac number, because 134773093581 - 2⁷ = 134773093453 is a prime.

It is a super-2 number, since 2×134773093581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134773093501) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2674440 + ... + 2724366.

It is an arithmetic number, because the mean of its divisors is an integer number (6461082624).

Almost surely, 2^134773093581 is an apocalyptic number.

It is an amenable number.

134773093581 is a deficient number, since it is larger than the sum of its proper divisors (71981550387).

134773093581 is a wasteful number, since it uses less digits than its factorization.

134773093581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50801.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 134773093581 in words is "one hundred thirty-four billion, seven hundred seventy-three million, ninety-three thousand, five hundred eighty-one".