44137129 has 2 divisors, whose sum is σ = 44137130. Its totient is φ = 44137128.

The previous prime is 44137123. The next prime is 44137139. The reversal of 44137129 is 92173144.

44137129 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., 42549529 + 1587600 = 6523^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 44137129 - 2²⁵ = 10582697 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44137129.

It is not a weakly prime, because it can be changed into another prime (44137123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22068564 + 22068565.

It is an arithmetic number, because the mean of its divisors is an integer number (22068565).

Almost surely, 2^44137129 is an apocalyptic number.

It is an amenable number.

44137129 is a deficient number, since it is larger than the sum of its proper divisors (1).

44137129 is an equidigital number, since it uses as much as digits as its factorization.

44137129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 44137129 is about 6643.5780269370. The cubic root of 44137129 is about 353.4012055644.

The spelling of 44137129 in words is "forty-four million, one hundred thirty-seven thousand, one hundred twenty-nine".