141328781 has 8 divisors (see below), whose sum is σ = 154453728. Its totient is φ = 128250000.

The previous prime is 141328771. The next prime is 141328787. The reversal of 141328781 is 187823141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141328781 - 2²⁶ = 74219917 is a prime.

It is a super-2 number, since 2×141328781² = 39947648677891922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141328787) 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 7 ways as a sum of consecutive naturals, for example, 4970 + ... + 17531.

It is an arithmetic number, because the mean of its divisors is an integer number (19306716).

Almost surely, 2^141328781 is an apocalyptic number.

141328781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141328781 is a deficient number, since it is larger than the sum of its proper divisors (13124947).

141328781 is a wasteful number, since it uses less digits than its factorization.

141328781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23083.

The product of its digits is 10752, while the sum is 35.

The square root of 141328781 is about 11888.1782035769. The cubic root of 141328781 is about 520.8870227803.

The spelling of 141328781 in words is "one hundred forty-one million, three hundred twenty-eight thousand, seven hundred eighty-one".