134455561607 has 4 divisors (see below), whose sum is σ = 135311966616. Its totient is φ = 133599156600.

The previous prime is 134455561601. The next prime is 134455561637. The reversal of 134455561607 is 706165554431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706165554431 = 197 ⋅3584596723.

It is a cyclic number.

It is not a de Polignac number, because 134455561607 - 2²⁴ = 134438784391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134455561601) 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, 428202269 + ... + 428202582.

It is an arithmetic number, because the mean of its divisors is an integer number (33827991654).

Almost surely, 2^134455561607 is an apocalyptic number.

134455561607 is a deficient number, since it is larger than the sum of its proper divisors (856405009).

134455561607 is an equidigital number, since it uses as much as digits as its factorization.

134455561607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856405008.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 134455561607 in words is "one hundred thirty-four billion, four hundred fifty-five million, five hundred sixty-one thousand, six hundred seven".