141706728 has 24 divisors (see below), whose sum is σ = 383789250. Its totient is φ = 47235552.

The previous prime is 141706723. The next prime is 141706729. The reversal of 141706728 is 827607141.

It can be written as a sum of positive squares in only one way, i.e., 134513604 + 7193124 = 11598^2 + 2682^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 = 141706692 and 141706701.

It is not an unprimeable number, because it can be changed into a prime (141706723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 984003 + ... + 984146.

Almost surely, 2^141706728 is an apocalyptic number.

141706728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

141706728 is an abundant number, since it is smaller than the sum of its proper divisors (242082522).

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

141706728 is a wasteful number, since it uses less digits than its factorization.

141706728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968161 (or 1968154 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 141706728 is about 11904.0635078951. The cubic root of 141706728 is about 521.3509350281.

The spelling of 141706728 in words is "one hundred forty-one million, seven hundred six thousand, seven hundred twenty-eight".