1466390129 has 2 divisors, whose sum is σ = 1466390130. Its totient is φ = 1466390128.

The previous prime is 1466390119. The next prime is 1466390147. The reversal of 1466390129 is 9210936641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1462297600 + 4092529 = 38240^2 + 2023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1466390129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1466390119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733195064 + 733195065.

It is an arithmetic number, because the mean of its divisors is an integer number (733195065).

Almost surely, 2^1466390129 is an apocalyptic number.

It is an amenable number.

1466390129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466390129 is an equidigital number, since it uses as much as digits as its factorization.

1466390129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1466390129 is about 38293.4737128926. The cubic root of 1466390129 is about 1136.0998683216.

The spelling of 1466390129 in words is "one billion, four hundred sixty-six million, three hundred ninety thousand, one hundred twenty-nine".