141421779 has 24 divisors (see below), whose sum is σ = 214486272. Its totient is φ = 89620080.

The previous prime is 141421757. The next prime is 141421789. The reversal of 141421779 is 977124141.

It is not a de Polignac number, because 141421779 - 2¹⁵ = 141389011 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (141421789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32524 + ... + 36614.

It is an arithmetic number, because the mean of its divisors is an integer number (8936928).

Almost surely, 2^141421779 is an apocalyptic number.

141421779 is a deficient number, since it is larger than the sum of its proper divisors (73064493).

141421779 is a wasteful number, since it uses less digits than its factorization.

141421779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287 (or 4284 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 141421779 is about 11892.0889249955. The cubic root of 141421779 is about 521.0012501152.

The spelling of 141421779 in words is "one hundred forty-one million, four hundred twenty-one thousand, seven hundred seventy-nine".