1420013142 has 48 divisors (see below), whose sum is σ = 3128394672. Its totient is φ = 465410880.

The previous prime is 1420013117. The next prime is 1420013143. The reversal of 1420013142 is 2413100241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420013143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201792 + ... + 1202972.

It is an arithmetic number, because the mean of its divisors is an integer number (65174889).

Almost surely, 2^1420013142 is an apocalyptic number.

1420013142 is an abundant number, since it is smaller than the sum of its proper divisors (1708381530).

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

1420013142 is a wasteful number, since it uses less digits than its factorization.

1420013142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1420013142 is about 37683.0617386645. The cubic root of 1420013142 is about 1123.9943320890.

Adding to 1420013142 its reverse (2413100241), we get a palindrome (3833113383).

The spelling of 1420013142 in words is "one billion, four hundred twenty million, thirteen thousand, one hundred forty-two".