141388928 has 24 divisors (see below), whose sum is σ = 281941515. Its totient is φ = 70627200.

The previous prime is 141388927. The next prime is 141388939. The reversal of 141388928 is 829883141.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 70694464 + 70694464 = 8408^2 + 8408^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8408.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141388927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 134003 + ... + 135053.

Almost surely, 2^141388928 is an apocalyptic number.

It is an amenable number.

141388928 is a deficient number, since it is larger than the sum of its proper divisors (140552587).

141388928 is an frugal number, since it uses more digits than its factorization.

141388928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 1053 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 141388928 is about 11890.7076324330. The cubic root of 141388928 is about 520.9609056986.

The spelling of 141388928 in words is "one hundred forty-one million, three hundred eighty-eight thousand, nine hundred twenty-eight".