134754917309 has 4 divisors (see below), whose sum is σ = 134769359004. Its totient is φ = 134740475616.

The previous prime is 134754917303. The next prime is 134754917317. The reversal of 134754917309 is 903719457431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903719457431 = 7 ⋅129102779633.

It can be written as a sum of positive squares in 2 ways, for example, as 58179852025 + 76575065284 = 241205^2 + 276722^2 .

It is a cyclic number.

It is not a de Polignac number, because 134754917309 - 2³² = 130459950013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134754917303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7206842 + ... + 7225515.

It is an arithmetic number, because the mean of its divisors is an integer number (33692339751).

Almost surely, 2^134754917309 is an apocalyptic number.

It is an amenable number.

134754917309 is a deficient number, since it is larger than the sum of its proper divisors (14441695).

134754917309 is an equidigital number, since it uses as much as digits as its factorization.

134754917309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441694.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 134754917309 in words is "one hundred thirty-four billion, seven hundred fifty-four million, nine hundred seventeen thousand, three hundred nine".