134444477 has 2 divisors, whose sum is σ = 134444478. Its totient is φ = 134444476.

The previous prime is 134444461. The next prime is 134444507. The reversal of 134444477 is 774444431.

It is a happy number.

134444477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97732996 + 36711481 = 9886^2 + 6059^2 .

It is a cyclic number.

It is not a de Polignac number, because 134444477 - 2⁴ = 134444461 is a prime.

It is equal to p_7615748 and since 134444477 and 7615748 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 134444477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134444417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222238 + 67222239.

It is an arithmetic number, because the mean of its divisors is an integer number (67222239).

Almost surely, 2^134444477 is an apocalyptic number.

It is an amenable number.

134444477 is a deficient number, since it is larger than the sum of its proper divisors (1).

134444477 is an equidigital number, since it uses as much as digits as its factorization.

134444477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 38.

The square root of 134444477 is about 11595.0194911436. The cubic root of 134444477 is about 512.2881640484.

The spelling of 134444477 in words is "one hundred thirty-four million, four hundred forty-four thousand, four hundred seventy-seven".