1401133321 has 8 divisors (see below), whose sum is σ = 1685574080. Its totient is φ = 1137762288.

The previous prime is 1401133313. The next prime is 1401133333. The reversal of 1401133321 is 1233311041.

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

It is a cyclic number.

It is not a de Polignac number, because 1401133321 - 2³ = 1401133313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401133301) 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, 5267286 + ... + 5267551.

It is an arithmetic number, because the mean of its divisors is an integer number (210696760).

Almost surely, 2^1401133321 is an apocalyptic number.

It is an amenable number.

1401133321 is a deficient number, since it is larger than the sum of its proper divisors (284440759).

1401133321 is a wasteful number, since it uses less digits than its factorization.

1401133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534863.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1401133321 is about 37431.7154429235. The cubic root of 1401133321 is about 1118.9907258229.

Adding to 1401133321 its reverse (1233311041), we get a palindrome (2634444362).

The spelling of 1401133321 in words is "one billion, four hundred one million, one hundred thirty-three thousand, three hundred twenty-one".