134442747 has 10 divisors (see below), whose sum is σ = 200834348. Its totient is φ = 89628444.

The previous prime is 134442739. The next prime is 134442761. The reversal of 134442747 is 747244431.

It is a happy number.

It is not a de Polignac number, because 134442747 - 2³ = 134442739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134442247) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 829813 + ... + 829974.

Almost surely, 2^134442747 is an apocalyptic number.

134442747 is a deficient number, since it is larger than the sum of its proper divisors (66391601).

134442747 is an equidigital number, since it uses as much as digits as its factorization.

134442747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659799 (or 1659790 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 134442747 is about 11594.9448899078. The cubic root of 134442747 is about 512.2859667043.

The spelling of 134442747 in words is "one hundred thirty-four million, four hundred forty-two thousand, seven hundred forty-seven".