141680778 has 16 divisors (see below), whose sum is σ = 283979136. Its totient is φ = 47124000.

The previous prime is 141680761. The next prime is 141680779. The reversal of 141680778 is 877086141.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141680779) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22723 + ... + 28278.

It is an arithmetic number, because the mean of its divisors is an integer number (17748696).

Almost surely, 2^141680778 is an apocalyptic number.

141680778 is an abundant number, since it is smaller than the sum of its proper divisors (142298358).

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

141680778 is a wasteful number, since it uses less digits than its factorization.

141680778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51469.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 141680778 is about 11902.9734940476. The cubic root of 141680778 is about 521.3191090100.

The spelling of 141680778 in words is "one hundred forty-one million, six hundred eighty thousand, seven hundred seventy-eight".