141686241978 has 16 divisors (see below), whose sum is σ = 293143949280. Its totient is φ = 45600169776.

The previous prime is 141686241973. The next prime is 141686242021. The reversal of 141686241978 is 879142686141.

It is not an unprimeable number, because it can be changed into a prime (141686241973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407144200 + ... + 407144547.

It is an arithmetic number, because the mean of its divisors is an integer number (18321496830).

Almost surely, 2^141686241978 is an apocalyptic number.

141686241978 is an abundant number, since it is smaller than the sum of its proper divisors (151457707302).

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

141686241978 is a wasteful number, since it uses less digits than its factorization.

141686241978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814288781.

The product of its digits is 4644864, while the sum is 57.

The spelling of 141686241978 in words is "one hundred forty-one billion, six hundred eighty-six million, two hundred forty-one thousand, nine hundred seventy-eight".