1421436855 has 8 divisors (see below), whose sum is σ = 2274298992. Its totient is φ = 758099648.

The previous prime is 1421436851. The next prime is 1421436859. The reversal of 1421436855 is 5586341241.

It is an interprime number because it is at equal distance from previous prime (1421436851) and next prime (1421436859).

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

It is a cyclic number.

It is not a de Polignac number, because 1421436855 - 2² = 1421436851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421436851) 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 7 ways as a sum of consecutive naturals, for example, 47381214 + ... + 47381243.

It is an arithmetic number, because the mean of its divisors is an integer number (284287374).

Almost surely, 2^1421436855 is an apocalyptic number.

1421436855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421436855 is a deficient number, since it is larger than the sum of its proper divisors (852862137).

1421436855 is an equidigital number, since it uses as much as digits as its factorization.

1421436855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94762465.

The product of its digits is 115200, while the sum is 39.

The square root of 1421436855 is about 37701.9476287366. The cubic root of 1421436855 is about 1124.3698475890.

The spelling of 1421436855 in words is "one billion, four hundred twenty-one million, four hundred thirty-six thousand, eight hundred fifty-five".