1402113021 has 8 divisors (see below), whose sum is σ = 1875133344. Its totient is φ = 931917360.

The previous prime is 1402113001. The next prime is 1402113023. The reversal of 1402113021 is 1203112041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1402113021 - 2¹¹ = 1402110973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402113023) 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, 705006 + ... + 706991.

It is an arithmetic number, because the mean of its divisors is an integer number (234391668).

Almost surely, 2^1402113021 is an apocalyptic number.

It is an amenable number.

1402113021 is a deficient number, since it is larger than the sum of its proper divisors (473020323).

1402113021 is a wasteful number, since it uses less digits than its factorization.

1402113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412331.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1402113021 is about 37444.7996522882. The cubic root of 1402113021 is about 1119.2514718405.

Adding to 1402113021 its reverse (1203112041), we get a palindrome (2605225062).

The spelling of 1402113021 in words is "one billion, four hundred two million, one hundred thirteen thousand, twenty-one".