41139401 has 4 divisors (see below), whose sum is σ = 41152404. Its totient is φ = 41126400.

The previous prime is 41139379. The next prime is 41139403. The reversal of 41139401 is 10493114.

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 can be written as a sum of positive squares in 2 ways, for example, as 19758025 + 21381376 = 4445^2 + 4624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41139401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41139403) 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, 1661 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (10288101).

Almost surely, 2^41139401 is an apocalyptic number.

It is an amenable number.

41139401 is a deficient number, since it is larger than the sum of its proper divisors (13003).

41139401 is an equidigital number, since it uses as much as digits as its factorization.

41139401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002.

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

The square root of 41139401 is about 6414.0003897724. Note that the first 3 decimals coincide. The cubic root of 41139401 is about 345.2120827196.

The spelling of 41139401 in words is "forty-one million, one hundred thirty-nine thousand, four hundred one".