141977 has 4 divisors (see below), whose sum is σ = 154896. Its totient is φ = 129060.

The previous prime is 141971. The next prime is 141991. The reversal of 141977 is 779141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141977 - 2⁴ = 141961 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (141971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6443 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (38724).

2¹⁴¹⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

141977 is a deficient number, since it is larger than the sum of its proper divisors (12919).

141977 is a wasteful number, since it uses less digits than its factorization.

141977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918.

The product of its digits is 1764, while the sum is 29.

The square root of 141977 is about 376.7983545612. The cubic root of 141977 is about 52.1682175647.

It can be divided in two parts, 14 and 1977, that added together give a palindrome (1991).

The spelling of 141977 in words is "one hundred forty-one thousand, nine hundred seventy-seven".