1402421013 has 32 divisors (see below), whose sum is σ = 2422944000. Its totient is φ = 801378144.

The previous prime is 1402420993. The next prime is 1402421017. The reversal of 1402421013 is 3101242041.

It is not a de Polignac number, because 1402421013 - 2¹⁰ = 1402419989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402421017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66456 + ... + 84977.

It is an arithmetic number, because the mean of its divisors is an integer number (75717000).

Almost surely, 2^1402421013 is an apocalyptic number.

It is an amenable number.

1402421013 is a deficient number, since it is larger than the sum of its proper divisors (1020522987).

1402421013 is an equidigital number, since it uses as much as digits as its factorization.

1402421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151463 (or 151443 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1402421013 is about 37448.9120402716. The cubic root of 1402421013 is about 1119.3334184588. Note that the first 3 decimals are identical.

Adding to 1402421013 its reverse (3101242041), we get a palindrome (4503663054).

The spelling of 1402421013 in words is "one billion, four hundred two million, four hundred twenty-one thousand, thirteen".