241021139 has 4 divisors (see below), whose sum is σ = 241052256. Its totient is φ = 240990024.

The previous prime is 241021103. The next prime is 241021159. The reversal of 241021139 is 931120142.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241021139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241021159) 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, 6257 + ... + 22829.

It is an arithmetic number, because the mean of its divisors is an integer number (60263064).

Almost surely, 2^241021139 is an apocalyptic number.

241021139 is a deficient number, since it is larger than the sum of its proper divisors (31117).

241021139 is a wasteful number, since it uses less digits than its factorization.

241021139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31116.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 241021139 is about 15524.8555226772. The cubic root of 241021139 is about 622.3266197787.

The spelling of 241021139 in words is "two hundred forty-one million, twenty-one thousand, one hundred thirty-nine".