134774667407747 has 4 divisors (see below), whose sum is σ = 134788321015776. Its totient is φ = 134761013799720.

The previous prime is 134774667407713. The next prime is 134774667407771. The reversal of 134774667407747 is 747704766477431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134774667407747 - 2¹⁰ = 134774667406723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134774667407147) 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, 6826789208 + ... + 6826808949.

It is an arithmetic number, because the mean of its divisors is an integer number (33697080253944).

Almost surely, 2^{134774667407747} is an apocalyptic number.

134774667407747 is a deficient number, since it is larger than the sum of its proper divisors (13653608029).

134774667407747 is an equidigital number, since it uses as much as digits as its factorization.

134774667407747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13653608028.

The product of its (nonzero) digits is 3252759552, while the sum is 74.

The spelling of 134774667407747 in words is "one hundred thirty-four trillion, seven hundred seventy-four billion, six hundred sixty-seven million, four hundred seven thousand, seven hundred forty-seven".