13546139 has 2 divisors, whose sum is σ = 13546140. Its totient is φ = 13546138.

The previous prime is 13546123. The next prime is 13546153. The reversal of 13546139 is 93164531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13546139 - 2⁴ = 13546123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13546109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6773069 + 6773070.

It is an arithmetic number, because the mean of its divisors is an integer number (6773070).

Almost surely, 2^13546139 is an apocalyptic number.

13546139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13546139 is an equidigital number, since it uses as much as digits as its factorization.

13546139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 13546139 is about 3680.5079812439. The cubic root of 13546139 is about 238.3811126708.

The spelling of 13546139 in words is "thirteen million, five hundred forty-six thousand, one hundred thirty-nine".