141143507921 has 4 divisors (see below), whose sum is σ = 152000700852. Its totient is φ = 130286314992.

The previous prime is 141143507917. The next prime is 141143507927. The reversal of 141143507921 is 129705341141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63463686400 + 77679821521 = 251920^2 + 278711^2 .

It is a cyclic number.

It is not a de Polignac number, because 141143507921 - 2² = 141143507917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141143507927) 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, 5428596446 + ... + 5428596471.

It is an arithmetic number, because the mean of its divisors is an integer number (38000175213).

Almost surely, 2^141143507921 is an apocalyptic number.

It is an amenable number.

141143507921 is a deficient number, since it is larger than the sum of its proper divisors (10857192931).

141143507921 is a wasteful number, since it uses less digits than its factorization.

141143507921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857192930.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 141143507921 in words is "one hundred forty-one billion, one hundred forty-three million, five hundred seven thousand, nine hundred twenty-one".