1420405419 has 8 divisors (see below), whose sum is σ = 1911574080. Its totient is φ = 938086856.

The previous prime is 1420405409. The next prime is 1420405423. The reversal of 1420405419 is 9145040241.

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 1420405419 - 2⁷ = 1420405291 is a prime.

It is a super-2 number, since 2×1420405419² = 4035103108649131122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420405409) 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, 2212149 + ... + 2212790.

It is an arithmetic number, because the mean of its divisors is an integer number (238946760).

Almost surely, 2^1420405419 is an apocalyptic number.

1420405419 is a deficient number, since it is larger than the sum of its proper divisors (491168661).

1420405419 is a wasteful number, since it uses less digits than its factorization.

1420405419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425049.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1420405419 is about 37688.2663305172. The cubic root of 1420405419 is about 1124.0978232743.

The spelling of 1420405419 in words is "one billion, four hundred twenty million, four hundred five thousand, four hundred nineteen".