1408146329 has 4 divisors (see below), whose sum is σ = 1490978484. Its totient is φ = 1325314176.

The previous prime is 1408146307. The next prime is 1408146349. The reversal of 1408146329 is 9236418041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9236418041 = 1039 ⋅8889719.

It can be written as a sum of positive squares in 2 ways, for example, as 738371929 + 669774400 = 27173^2 + 25880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408146329 - 2⁸ = 1408146073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1408146292 and 1408146301.

It is not an unprimeable number, because it can be changed into a prime (1408146349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41416052 + ... + 41416085.

It is an arithmetic number, because the mean of its divisors is an integer number (372744621).

Almost surely, 2^1408146329 is an apocalyptic number.

It is an amenable number.

1408146329 is a deficient number, since it is larger than the sum of its proper divisors (82832155).

1408146329 is an equidigital number, since it uses as much as digits as its factorization.

1408146329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82832154.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1408146329 is about 37525.2758684064. The cubic root of 1408146329 is about 1120.8545585320.

The spelling of 1408146329 in words is "one billion, four hundred eight million, one hundred forty-six thousand, three hundred twenty-nine".