1420204134 has 16 divisors (see below), whose sum is σ = 2989903680. Its totient is φ = 448485480.

The previous prime is 1420204033. The next prime is 1420204139. The reversal of 1420204134 is 4314020241.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420204134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420204139) 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, 6228852 + ... + 6229079.

It is an arithmetic number, because the mean of its divisors is an integer number (186868980).

Almost surely, 2^1420204134 is an apocalyptic number.

1420204134 is an abundant number, since it is smaller than the sum of its proper divisors (1569699546).

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

1420204134 is a wasteful number, since it uses less digits than its factorization.

1420204134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457955.

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

The square root of 1420204134 is about 37685.5958424436. The cubic root of 1420204134 is about 1124.0447223037.

Adding to 1420204134 its reverse (4314020241), we get a palindrome (5734224375).

The spelling of 1420204134 in words is "one billion, four hundred twenty million, two hundred four thousand, one hundred thirty-four".