1420235834 has 16 divisors (see below), whose sum is σ = 2156103360. Its totient is φ = 701548320.

The previous prime is 1420235833. The next prime is 1420235881. The reversal of 1420235834 is 4385320241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420235834.

It is not an unprimeable number, because it can be changed into a prime (1420235833) 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, 272069 + ... + 277239.

It is an arithmetic number, because the mean of its divisors is an integer number (134756460).

Almost surely, 2^1420235834 is an apocalyptic number.

1420235834 is a deficient number, since it is larger than the sum of its proper divisors (735867526).

1420235834 is a wasteful number, since it uses less digits than its factorization.

1420235834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1420235834 is about 37686.0164251941. The cubic root of 1420235834 is about 1124.0530854096.

The spelling of 1420235834 in words is "one billion, four hundred twenty million, two hundred thirty-five thousand, eight hundred thirty-four".