13938151 has 2 divisors, whose sum is σ = 13938152. Its totient is φ = 13938150.

The previous prime is 13938143. The next prime is 13938163. The reversal of 13938151 is 15183931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13938151 - 2³ = 13938143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13938121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969075 + 6969076.

It is an arithmetic number, because the mean of its divisors is an integer number (6969076).

Almost surely, 2^13938151 is an apocalyptic number.

13938151 is a deficient number, since it is larger than the sum of its proper divisors (1).

13938151 is an equidigital number, since it uses as much as digits as its factorization.

13938151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 13938151 is about 3733.3833181178. The cubic root of 13938151 is about 240.6587860806.

The spelling of 13938151 in words is "thirteen million, nine hundred thirty-eight thousand, one hundred fifty-one".