1421310141 has 12 divisors (see below), whose sum is σ = 2103077340. Its totient is φ = 924429120.

The previous prime is 1421310133. The next prime is 1421310157. The reversal of 1421310141 is 1410131241.

It can be written as a sum of positive squares in 2 ways, for example, as 137592900 + 1283717241 = 11730^2 + 35829^2 .

It is not a de Polignac number, because 1421310141 - 2³ = 1421310133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421310161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1925526 + ... + 1926263.

It is an arithmetic number, because the mean of its divisors is an integer number (175256445).

Almost surely, 2^1421310141 is an apocalyptic number.

It is an amenable number.

1421310141 is a deficient number, since it is larger than the sum of its proper divisors (681767199).

1421310141 is a wasteful number, since it uses less digits than its factorization.

1421310141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851836 (or 3851833 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1421310141 is about 37700.2671210696. The cubic root of 1421310141 is about 1124.3364359431.

Adding to 1421310141 its reverse (1410131241), we get a palindrome (2831441382).

The spelling of 1421310141 in words is "one billion, four hundred twenty-one million, three hundred ten thousand, one hundred forty-one".