1421976159 has 12 divisors (see below), whose sum is σ = 2101732776. Its totient is φ = 925937712.

The previous prime is 1421976151. The next prime is 1421976181. The reversal of 1421976159 is 9516791241.

1421976159 is a `hidden beast` number, since 1 + 4 + 21 + 9 + 7 + 615 + 9 = 666.

It is not a de Polignac number, because 1421976159 - 2³ = 1421976151 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421976151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836792 + ... + 1837565.

It is an arithmetic number, because the mean of its divisors is an integer number (175144398).

Almost surely, 2^1421976159 is an apocalyptic number.

1421976159 is a deficient number, since it is larger than the sum of its proper divisors (679756617).

1421976159 is a wasteful number, since it uses less digits than its factorization.

1421976159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674406 (or 3674403 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 1421976159 is about 37709.0991539177. The cubic root of 1421976159 is about 1124.5120277786.

The spelling of 1421976159 in words is "one billion, four hundred twenty-one million, nine hundred seventy-six thousand, one hundred fifty-nine".