1421400342 has 8 divisors (see below), whose sum is σ = 2842800696. Its totient is φ = 473800112.

The previous prime is 1421400307. The next prime is 1421400353. The reversal of 1421400342 is 2430041241.

It is a sphenic number, since it is the product of 3 distinct primes.

1421400342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118450023 + ... + 118450034.

It is an arithmetic number, because the mean of its divisors is an integer number (355350087).

Almost surely, 2^1421400342 is an apocalyptic number.

1421400342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1421400342 is a wasteful number, since it uses less digits than its factorization.

1421400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236900062.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1421400342 is about 37701.4633933485. The cubic root of 1421400342 is about 1124.3602201317.

Adding to 1421400342 its reverse (2430041241), we get a palindrome (3851441583).

The spelling of 1421400342 in words is "one billion, four hundred twenty-one million, four hundred thousand, three hundred forty-two".