141681388 has 12 divisors (see below), whose sum is σ = 253708840. Its totient is φ = 69193152.

The previous prime is 141681343. The next prime is 141681389. The reversal of 141681388 is 883186141.

141681388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 141681388.

It is not an unprimeable number, because it can be changed into a prime (141681389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411693 + ... + 412036.

Almost surely, 2^141681388 is an apocalyptic number.

It is an amenable number.

141681388 is a deficient number, since it is larger than the sum of its proper divisors (112027452).

141681388 is a wasteful number, since it uses less digits than its factorization.

141681388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823776 (or 823774 counting only the distinct ones).

The product of its digits is 36864, while the sum is 40.

The square root of 141681388 is about 11902.9991178694. Note that the first 3 decimals coincide. The cubic root of 141681388 is about 521.3198571806.

The spelling of 141681388 in words is "one hundred forty-one million, six hundred eighty-one thousand, three hundred eighty-eight".