1420033140 has 96 divisors (see below), whose sum is σ = 4570272000. Its totient is φ = 365613696.

The previous prime is 1420033123. The next prime is 1420033159. The reversal of 1420033140 is 413300241.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29680 + ... + 60999.

It is an arithmetic number, because the mean of its divisors is an integer number (47607000).

Almost surely, 2^1420033140 is an apocalyptic number.

1420033140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420033140 is an abundant number, since it is smaller than the sum of its proper divisors (3150238860).

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

1420033140 is a wasteful number, since it uses less digits than its factorization.

1420033140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90726 (or 90718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1420033140 is about 37683.3270824114. The cubic root of 1420033140 is about 1123.9996084564. Note that the first 3 decimals are identical.

Adding to 1420033140 its reverse (413300241), we get a palindrome (1833333381).

The spelling of 1420033140 in words is "one billion, four hundred twenty million, thirty-three thousand, one hundred forty".