1421907714 has 12 divisors (see below), whose sum is σ = 3080800086. Its totient is φ = 473969232.

The previous prime is 1421907673. The next prime is 1421907719. The reversal of 1421907714 is 4177091241.

It can be written as a sum of positive squares in only one way, i.e., 1256348025 + 165559689 = 35445^2 + 12867^2 .

It is not an unprimeable number, because it can be changed into a prime (1421907719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39497419 + ... + 39497454.

Almost surely, 2^1421907714 is an apocalyptic number.

1421907714 is an abundant number, since it is smaller than the sum of its proper divisors (1658892372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421907714 is a wasteful number, since it uses less digits than its factorization.

1421907714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78994881 (or 78994878 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1421907714 is about 37708.1916034169. The cubic root of 1421907714 is about 1124.4939851740.

Adding to 1421907714 its reverse (4177091241), we get a palindrome (5598998955).

The spelling of 1421907714 in words is "one billion, four hundred twenty-one million, nine hundred seven thousand, seven hundred fourteen".