141420728 has 16 divisors (see below), whose sum is σ = 266267760. Its totient is φ = 70416000.

The previous prime is 141420707. The next prime is 141420731. The reversal of 141420728 is 827024141.

141420728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 141420728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34748 + ... + 38603.

It is an arithmetic number, because the mean of its divisors is an integer number (16641735).

Almost surely, 2^141420728 is an apocalyptic number.

It is an amenable number.

141420728 is a deficient number, since it is larger than the sum of its proper divisors (124847032).

141420728 is a wasteful number, since it uses less digits than its factorization.

141420728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73598 (or 73594 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 141420728 is about 11892.0447358728. The cubic root of 141420728 is about 520.9999594755. Note that the first 4 decimals are identical.

Adding to 141420728 its reverse (827024141), we get a palindrome (968444869).

The spelling of 141420728 in words is "one hundred forty-one million, four hundred twenty thousand, seven hundred twenty-eight".