141128778 has 16 divisors (see below), whose sum is σ = 322580160. Its totient is φ = 40322496.

The previous prime is 141128753. The next prime is 141128797. The reversal of 141128778 is 877821141.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680063 + ... + 1680146.

It is an arithmetic number, because the mean of its divisors is an integer number (20161260).

Almost surely, 2^141128778 is an apocalyptic number.

141128778 is an abundant number, since it is smaller than the sum of its proper divisors (181451382).

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

141128778 is a wasteful number, since it uses less digits than its factorization.

141128778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360221.

The product of its digits is 25088, while the sum is 39.

The square root of 141128778 is about 11879.7633814820. The cubic root of 141128778 is about 520.6411937555.

The spelling of 141128778 in words is "one hundred forty-one million, one hundred twenty-eight thousand, seven hundred seventy-eight".