13146139 has 8 divisors (see below), whose sum is σ = 13644800. Its totient is φ = 12652200.

The previous prime is 13146131. The next prime is 13146167. The reversal of 13146139 is 93164131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13146139 - 2³ = 13146131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13146131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5104 + ... + 7234.

It is an arithmetic number, because the mean of its divisors is an integer number (1705600).

Almost surely, 2^13146139 is an apocalyptic number.

13146139 is a deficient number, since it is larger than the sum of its proper divisors (498661).

13146139 is a wasteful number, since it uses less digits than its factorization.

13146139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361.

The product of its digits is 1944, while the sum is 28.

The square root of 13146139 is about 3625.7604719562. The cubic root of 13146139 is about 236.0112689726.

The spelling of 13146139 in words is "thirteen million, one hundred forty-six thousand, one hundred thirty-nine".