15138941 has 2 divisors, whose sum is σ = 15138942. Its totient is φ = 15138940.

The previous prime is 15138917. The next prime is 15138971. The reversal of 15138941 is 14983151.

15138941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 3916441 = 3350^2 + 1979^2 .

It is an emirp because it is prime and its reverse (14983151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15138941 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15138898 and 15138907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15138971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7569470 + 7569471.

It is an arithmetic number, because the mean of its divisors is an integer number (7569471).

Almost surely, 2^15138941 is an apocalyptic number.

It is an amenable number.

15138941 is a deficient number, since it is larger than the sum of its proper divisors (1).

15138941 is an equidigital number, since it uses as much as digits as its factorization.

15138941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 15138941 is about 3890.8792065547. The cubic root of 15138941 is about 247.3803305433.

The spelling of 15138941 in words is "fifteen million, one hundred thirty-eight thousand, nine hundred forty-one".