134484779 has 16 divisors (see below), whose sum is σ = 161677824. Its totient is φ = 110224800.

The previous prime is 134484737. The next prime is 134484811. The reversal of 134484779 is 977484431.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134484779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134484709) 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, 4787 + ... + 17084.

It is an arithmetic number, because the mean of its divisors is an integer number (10104864).

Almost surely, 2^134484779 is an apocalyptic number.

134484779 is a deficient number, since it is larger than the sum of its proper divisors (27193045).

134484779 is a wasteful number, since it uses less digits than its factorization.

134484779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938.

The product of its digits is 677376, while the sum is 47.

The square root of 134484779 is about 11596.7572622695. The cubic root of 134484779 is about 512.3393479407.

The spelling of 134484779 in words is "one hundred thirty-four million, four hundred eighty-four thousand, seven hundred seventy-nine".