141216978 has 32 divisors (see below), whose sum is σ = 323187840. Its totient is φ = 40296960.

The previous prime is 141216937. The next prime is 141216983. The reversal of 141216978 is 879612141.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42978 + ... + 46146.

It is an arithmetic number, because the mean of its divisors is an integer number (10099620).

Almost surely, 2^141216978 is an apocalyptic number.

141216978 is an abundant number, since it is smaller than the sum of its proper divisors (181970862).

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

141216978 is a wasteful number, since it uses less digits than its factorization.

141216978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242.

The product of its digits is 24192, while the sum is 39.

The square root of 141216978 is about 11883.4749968181. The cubic root of 141216978 is about 520.7496313378.

The spelling of 141216978 in words is "one hundred forty-one million, two hundred sixteen thousand, nine hundred seventy-eight".