141291978 has 8 divisors (see below), whose sum is σ = 282583968. Its totient is φ = 47097324.

The previous prime is 141291959. The next prime is 141291991. The reversal of 141291978 is 879192141.

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

141291978 is an admirable number.

It is a Smith number, since the sum of its digits (42) 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11774326 + ... + 11774337.

It is an arithmetic number, because the mean of its divisors is an integer number (35322996).

Almost surely, 2^141291978 is an apocalyptic number.

141291978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

141291978 is a wasteful number, since it uses less digits than its factorization.

141291978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23548668.

The product of its digits is 36288, while the sum is 42.

The square root of 141291978 is about 11886.6302205461. The cubic root of 141291978 is about 520.8418046508.

The spelling of 141291978 in words is "one hundred forty-one million, two hundred ninety-one thousand, nine hundred seventy-eight".