1401328567 has 4 divisors (see below), whose sum is σ = 1462255920. Its totient is φ = 1340401216.

The previous prime is 1401328561. The next prime is 1401328589. The reversal of 1401328567 is 7658231041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1401328567 - 2³ = 1401328559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401328561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30463642 + ... + 30463687.

It is an arithmetic number, because the mean of its divisors is an integer number (365563980).

Almost surely, 2^1401328567 is an apocalyptic number.

1401328567 is a deficient number, since it is larger than the sum of its proper divisors (60927353).

1401328567 is an equidigital number, since it uses as much as digits as its factorization.

1401328567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60927352.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1401328567 is about 37434.3233810897. The cubic root of 1401328567 is about 1119.0427000147.

The spelling of 1401328567 in words is "one billion, four hundred one million, three hundred twenty-eight thousand, five hundred sixty-seven".