1314440421 has 16 divisors (see below), whose sum is σ = 2003516928. Its totient is φ = 750898800.

The previous prime is 1314440419. The next prime is 1314440431. The reversal of 1314440421 is 1240444131.

It is not a de Polignac number, because 1314440421 - 2¹ = 1314440419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1314440391 and 1314440400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314440411) 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, 98986 + ... + 111476.

It is an arithmetic number, because the mean of its divisors is an integer number (125219808).

Almost surely, 2^1314440421 is an apocalyptic number.

It is an amenable number.

1314440421 is a deficient number, since it is larger than the sum of its proper divisors (689076507).

1314440421 is a wasteful number, since it uses less digits than its factorization.

1314440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1314440421 is about 36255.2123287121. The cubic root of 1314440421 is about 1095.4190818882.

Adding to 1314440421 its reverse (1240444131), we get a palindrome (2554884552).

The spelling of 1314440421 in words is "one billion, three hundred fourteen million, four hundred forty thousand, four hundred twenty-one".