1401320359 has 4 divisors (see below), whose sum is σ = 1415194920. Its totient is φ = 1387445800.

The previous prime is 1401320341. The next prime is 1401320363. The reversal of 1401320359 is 9530231041.

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 1401320359 - 2²¹ = 1399223207 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 (1401320309) 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, 6937129 + ... + 6937330.

It is an arithmetic number, because the mean of its divisors is an integer number (353798730).

Almost surely, 2^1401320359 is an apocalyptic number.

1401320359 is a deficient number, since it is larger than the sum of its proper divisors (13874561).

1401320359 is a wasteful number, since it uses less digits than its factorization.

1401320359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13874560.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1401320359 is about 37434.2137489223. The cubic root of 1401320359 is about 1119.0405151546.

The spelling of 1401320359 in words is "one billion, four hundred one million, three hundred twenty thousand, three hundred fifty-nine".