1420090236 has 36 divisors (see below), whose sum is σ = 3590819232. Its totient is φ = 473212224.

The previous prime is 1420090181. The next prime is 1420090237. The reversal of 1420090236 is 6320900241.

1420090236 is a `hidden beast` number, since 1 + 420 + 0 + 9 + 0 + 236 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420090237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205656 + ... + 212448.

Almost surely, 2^1420090236 is an apocalyptic number.

It is an amenable number.

1420090236 is an abundant number, since it is smaller than the sum of its proper divisors (2170728996).

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

1420090236 is a wasteful number, since it uses less digits than its factorization.

1420090236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610 (or 12605 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1420090236 is about 37684.0846512158. The cubic root of 1420090236 is about 1124.0146726638.

Adding to 1420090236 its reverse (6320900241), we get a palindrome (7740990477).

The spelling of 1420090236 in words is "one billion, four hundred twenty million, ninety thousand, two hundred thirty-six".