134442049 has 4 divisors (see below), whose sum is σ = 153648064. Its totient is φ = 115236036.

The previous prime is 134442029. The next prime is 134442101. The reversal of 134442049 is 940244431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134442049 - 2¹³ = 134433857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134442049.

It is not an unprimeable number, because it can be changed into a prime (134442029) 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, 9602997 + ... + 9603010.

It is an arithmetic number, because the mean of its divisors is an integer number (38412016).

Almost surely, 2^134442049 is an apocalyptic number.

It is an amenable number.

134442049 is a deficient number, since it is larger than the sum of its proper divisors (19206015).

134442049 is an equidigital number, since it uses as much as digits as its factorization.

134442049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19206014.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 134442049 is about 11594.9147905450. The cubic root of 134442049 is about 512.2850801405.

The spelling of 134442049 in words is "one hundred thirty-four million, four hundred forty-two thousand, forty-nine".