1401043013 has 4 divisors (see below), whose sum is σ = 1414914828. Its totient is φ = 1387171200.

The previous prime is 1401043001. The next prime is 1401043057. The reversal of 1401043013 is 3103401041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1302993409 + 98049604 = 36097^2 + 9902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401043013 - 2⁶ = 1401042949 is a prime.

It is a super-2 number, since 2×1401043013² = 3925843048552236338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401042982 and 1401043000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401033013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6935756 + ... + 6935957.

It is an arithmetic number, because the mean of its divisors is an integer number (353728707).

Almost surely, 2^1401043013 is an apocalyptic number.

It is an amenable number.

1401043013 is a deficient number, since it is larger than the sum of its proper divisors (13871815).

1401043013 is a wasteful number, since it uses less digits than its factorization.

1401043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871814.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1401043013 is about 37430.5091202351. The cubic root of 1401043013 is about 1118.9666843359.

Adding to 1401043013 its reverse (3103401041), we get a palindrome (4504444054).

The spelling of 1401043013 in words is "one billion, four hundred one million, forty-three thousand, thirteen".