1421068734 has 24 divisors (see below), whose sum is σ = 3079703952. Its totient is φ = 473578560.

The previous prime is 1421068723. The next prime is 1421068741. The reversal of 1421068734 is 4378601241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114199 + ... + 126029.

It is an arithmetic number, because the mean of its divisors is an integer number (128320998).

Almost surely, 2^1421068734 is an apocalyptic number.

1421068734 is an abundant number, since it is smaller than the sum of its proper divisors (1658635218).

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

1421068734 is a wasteful number, since it uses less digits than its factorization.

1421068734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18512 (or 18509 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1421068734 is about 37697.0653234439. The cubic root of 1421068734 is about 1124.2727768241.

Adding to 1421068734 its reverse (4378601241), we get a palindrome (5799669975).

It can be divided in two parts, 14210 and 68734, that added together give a square (82944 = 288²).

The spelling of 1421068734 in words is "one billion, four hundred twenty-one million, sixty-eight thousand, seven hundred thirty-four".