439148141 has 2 divisors, whose sum is σ = 439148142. Its totient is φ = 439148140.

The previous prime is 439148137. The next prime is 439148179. The reversal of 439148141 is 141841934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274564900 + 164583241 = 16570^2 + 12829^2 .

It is a cyclic number.

It is not a de Polignac number, because 439148141 - 2² = 439148137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_23307929 and since 439148141 and 23307929 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439148191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219574070 + 219574071.

It is an arithmetic number, because the mean of its divisors is an integer number (219574071).

Almost surely, 2^439148141 is an apocalyptic number.

It is an amenable number.

439148141 is a deficient number, since it is larger than the sum of its proper divisors (1).

439148141 is an equidigital number, since it uses as much as digits as its factorization.

439148141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 439148141 is about 20955.8617336534. The cubic root of 439148141 is about 760.0993296997.

The spelling of 439148141 in words is "four hundred thirty-nine million, one hundred forty-eight thousand, one hundred forty-one".