141181920 has 192 divisors, whose sum is σ = 539239680. Its totient is φ = 34214400.

The previous prime is 141181919. The next prime is 141181933. The reversal of 141181920 is 29181141.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 46035 + ... + 49005.

It is an arithmetic number, because the mean of its divisors is an integer number (2808540).

Almost surely, 2^141181920 is an apocalyptic number.

141181920 is a gapful number since it is divisible by the number (10) 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 141181920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269619840).

141181920 is an abundant number, since it is smaller than the sum of its proper divisors (398057760).

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

141181920 is a wasteful number, since it uses less digits than its factorization.

141181920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 141181920 is about 11881.9998316782. Note that the first 3 decimals coincide. The cubic root of 141181920 is about 520.7065346511.

The spelling of 141181920 in words is "one hundred forty-one million, one hundred eighty-one thousand, nine hundred twenty".