1420161388 has 12 divisors (see below), whose sum is σ = 2527406280. Its totient is φ = 698045312.

The previous prime is 1420161361. The next prime is 1420161389. The reversal of 1420161388 is 8831610241.

It is not an unprimeable number, because it can be changed into a prime (1420161389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008581 + ... + 3009052.

It is an arithmetic number, because the mean of its divisors is an integer number (210617190).

Almost surely, 2^1420161388 is an apocalyptic number.

It is an amenable number.

1420161388 is a deficient number, since it is larger than the sum of its proper divisors (1107244892).

1420161388 is a wasteful number, since it uses less digits than its factorization.

1420161388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017696 (or 6017694 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1420161388 is about 37685.0286984102. The cubic root of 1420161388 is about 1124.0334448410.

The spelling of 1420161388 in words is "one billion, four hundred twenty million, one hundred sixty-one thousand, three hundred eighty-eight".