1401331002 has 16 divisors (see below), whose sum is σ = 2822826720. Its totient is φ = 463749552.

The previous prime is 1401330977. The next prime is 1401331003. The reversal of 1401331002 is 2001331041.

It is not an unprimeable number, because it can be changed into a prime (1401331003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839293 + ... + 840960.

It is an arithmetic number, because the mean of its divisors is an integer number (176426670).

Almost surely, 2^1401331002 is an apocalyptic number.

1401331002 is an abundant number, since it is smaller than the sum of its proper divisors (1421495718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401331002 is a wasteful number, since it uses less digits than its factorization.

1401331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680397.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1401331002 is about 37434.3559047034. The cubic root of 1401331002 is about 1119.0433481775.

Adding to 1401331002 its reverse (2001331041), we get a palindrome (3402662043).

The spelling of 1401331002 in words is "one billion, four hundred one million, three hundred thirty-one thousand, two".