1401730013 has 8 divisors (see below), whose sum is σ = 1421582328. Its totient is φ = 1381895424.

The previous prime is 1401729983. The next prime is 1401730049. The reversal of 1401730013 is 3100371041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 91145209 + 1310584804 = 9547^2 + 36202^2 .

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 1401730013 - 2⁶ = 1401729949 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 (1401730093) 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, 293795 + ... + 298527.

It is an arithmetic number, because the mean of its divisors is an integer number (177697791).

Almost surely, 2^1401730013 is an apocalyptic number.

It is an amenable number.

1401730013 is a deficient number, since it is larger than the sum of its proper divisors (19852315).

1401730013 is an equidigital number, since it uses as much as digits as its factorization.

1401730013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1401730013 is about 37439.6850013458. The cubic root of 1401730013 is about 1119.1495491707.

The spelling of 1401730013 in words is "one billion, four hundred one million, seven hundred thirty thousand, thirteen".