141229728 has 72 divisors (see below), whose sum is σ = 405463968. Its totient is φ = 46626432.

The previous prime is 141229667. The next prime is 141229763. The reversal of 141229728 is 827922141.

141229728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 141229692 and 141229701.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28525 + ... + 33107.

It is an arithmetic number, because the mean of its divisors is an integer number (5631444).

Almost surely, 2^141229728 is an apocalyptic number.

141229728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141229728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202731984).

141229728 is an abundant number, since it is smaller than the sum of its proper divisors (264234240).

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

141229728 is a wasteful number, since it uses less digits than its factorization.

141229728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 4695 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 141229728 is about 11884.0114439528. The cubic root of 141229728 is about 520.7653031030.

The spelling of 141229728 in words is "one hundred forty-one million, two hundred twenty-nine thousand, seven hundred twenty-eight".