1401332609 has 8 divisors (see below), whose sum is σ = 1425310848. Its totient is φ = 1377472320.

The previous prime is 1401332591. The next prime is 1401332617. The reversal of 1401332609 is 9062331041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401332609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401332629) 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, 5357 + ... + 53210.

It is an arithmetic number, because the mean of its divisors is an integer number (178163856).

Almost surely, 2^1401332609 is an apocalyptic number.

It is an amenable number.

1401332609 is a deficient number, since it is larger than the sum of its proper divisors (23978239).

1401332609 is an equidigital number, since it uses as much as digits as its factorization.

1401332609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58975.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1401332609 is about 37434.3773689372. The cubic root of 1401332609 is about 1119.0437759380.

The spelling of 1401332609 in words is "one billion, four hundred one million, three hundred thirty-two thousand, six hundred nine".