1421133342 has 16 divisors (see below), whose sum is σ = 2940276240. Its totient is φ = 457376192.

The previous prime is 1421133293. The next prime is 1421133347. The reversal of 1421133342 is 2433311241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421133347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4083543 + ... + 4083890.

It is an arithmetic number, because the mean of its divisors is an integer number (183767265).

Almost surely, 2^1421133342 is an apocalyptic number.

1421133342 is an abundant number, since it is smaller than the sum of its proper divisors (1519142898).

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

1421133342 is a wasteful number, since it uses less digits than its factorization.

1421133342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8167467.

The product of its digits is 1728, while the sum is 24.

The square root of 1421133342 is about 37697.9222504371. The cubic root of 1421133342 is about 1124.2898146851.

Adding to 1421133342 its reverse (2433311241), we get a palindrome (3854444583).

The spelling of 1421133342 in words is "one billion, four hundred twenty-one million, one hundred thirty-three thousand, three hundred forty-two".