134774779 has 8 divisors (see below), whose sum is σ = 142002432. Its totient is φ = 127661160.

The previous prime is 134774777. The next prime is 134774789. The reversal of 134774779 is 977477431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134774779 - 2¹ = 134774777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134774777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26077 + ... + 30814.

It is an arithmetic number, because the mean of its divisors is an integer number (17750304).

Almost surely, 2^134774779 is an apocalyptic number.

134774779 is a deficient number, since it is larger than the sum of its proper divisors (7227653).

134774779 is a wasteful number, since it uses less digits than its factorization.

134774779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57017.

The product of its digits is 1037232, while the sum is 49.

The square root of 134774779 is about 11609.2540242687. The cubic root of 134774779 is about 512.7073492930.

The spelling of 134774779 in words is "one hundred thirty-four million, seven hundred seventy-four thousand, seven hundred seventy-nine".