13540379 has 2 divisors, whose sum is σ = 13540380. Its totient is φ = 13540378.

The previous prime is 13540367. The next prime is 13540391. The reversal of 13540379 is 97304531.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13540367) and next prime (13540391).

It is a cyclic number.

It is not a de Polignac number, because 13540379 - 2¹⁶ = 13474843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13540309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770189 + 6770190.

It is an arithmetic number, because the mean of its divisors is an integer number (6770190).

Almost surely, 2^13540379 is an apocalyptic number.

13540379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540379 is an equidigital number, since it uses as much as digits as its factorization.

13540379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 13540379 is about 3679.7253973632. The cubic root of 13540379 is about 238.3473202652.

The spelling of 13540379 in words is "thirteen million, five hundred forty thousand, three hundred seventy-nine".