134520774409 has 16 divisors (see below), whose sum is σ = 154542572800. Its totient is φ = 114700354560.

The previous prime is 134520774371. The next prime is 134520774449. The reversal of 134520774409 is 904477025431.

It is a cyclic number.

It is not a de Polignac number, because 134520774409 - 2⁹ = 134520773897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134520774449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11362357 + ... + 11374189.

It is an arithmetic number, because the mean of its divisors is an integer number (9658910800).

Almost surely, 2^134520774409 is an apocalyptic number.

It is an amenable number.

134520774409 is a deficient number, since it is larger than the sum of its proper divisors (20021798391).

134520774409 is a wasteful number, since it uses less digits than its factorization.

134520774409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 134520774409 in words is "one hundred thirty-four billion, five hundred twenty million, seven hundred seventy-four thousand, four hundred nine".