1403020013 has 16 divisors (see below), whose sum is σ = 1512276480. Its totient is φ = 1296911616.

The previous prime is 1403020009. The next prime is 1403020027. The reversal of 1403020013 is 3100203041.

It is a cyclic number.

It is not a de Polignac number, because 1403020013 - 2² = 1403020009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1403020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403020043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261920 + ... + 267222.

It is an arithmetic number, because the mean of its divisors is an integer number (94517280).

Almost surely, 2^1403020013 is an apocalyptic number.

It is an amenable number.

1403020013 is a deficient number, since it is larger than the sum of its proper divisors (109256467).

1403020013 is a wasteful number, since it uses less digits than its factorization.

1403020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1403020013 is about 37456.9087485874. The cubic root of 1403020013 is about 1119.4927584563.

Adding to 1403020013 its reverse (3100203041), we get a palindrome (4503223054).

It can be divided in two parts, 14030 and 20013, that added together give a palindrome (34043).

The spelling of 1403020013 in words is "one billion, four hundred three million, twenty thousand, thirteen".