1440000129 has 8 divisors (see below), whose sum is σ = 1920176352. Its totient is φ = 959912000.

The previous prime is 1440000119. The next prime is 1440000131. The reversal of 1440000129 is 9210000441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1440000129 - 2¹⁹ = 1439475841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440000109) 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 in 7 ways as a sum of consecutive naturals, for example, 47254 + ... + 71504.

It is an arithmetic number, because the mean of its divisors is an integer number (240022044).

Almost surely, 2^1440000129 is an apocalyptic number.

It is an amenable number.

1440000129 is a deficient number, since it is larger than the sum of its proper divisors (480176223).

1440000129 is a wasteful number, since it uses less digits than its factorization.

1440000129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44047.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1440000129 is about 37947.3336217448. Note that the first 3 decimals coincide. The cubic root of 1440000129 is about 1129.2432683777.

The spelling of 1440000129 in words is "one billion, four hundred forty million, one hundred twenty-nine", and thus it is an aban number.