1402014321 has 12 divisors (see below), whose sum is σ = 2025538372. Its totient is φ = 934488576.

The previous prime is 1402014307. The next prime is 1402014331. The reversal of 1402014321 is 1234102041.

1402014321 is a `hidden beast` number, since 140 + 201 + 4 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 671069025 + 730945296 = 25905^2 + 27036^2 .

It is not a de Polignac number, because 1402014321 - 2²⁵ = 1368459889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402014294 and 1402014303.

It is not an unprimeable number, because it can be changed into a prime (1402014331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43425 + ... + 68481.

Almost surely, 2^1402014321 is an apocalyptic number.

It is an amenable number.

1402014321 is a deficient number, since it is larger than the sum of its proper divisors (623524051).

1402014321 is a wasteful number, since it uses less digits than its factorization.

1402014321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31280 (or 31277 counting only the distinct ones).

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

The square root of 1402014321 is about 37443.4816890737. The cubic root of 1402014321 is about 1119.2252084531.

Adding to 1402014321 its reverse (1234102041), we get a palindrome (2636116362).

The spelling of 1402014321 in words is "one billion, four hundred two million, fourteen thousand, three hundred twenty-one".