13456138 has 8 divisors (see below), whose sum is σ = 20228832. Its totient is φ = 6713196.

The previous prime is 13456109. The next prime is 13456151. The reversal of 13456138 is 83165431.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6270 + ... + 8137.

It is an arithmetic number, because the mean of its divisors is an integer number (2528604).

Almost surely, 2^13456138 is an apocalyptic number.

13456138 is a deficient number, since it is larger than the sum of its proper divisors (6772694).

13456138 is a wasteful number, since it uses less digits than its factorization.

13456138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14876.

The product of its digits is 8640, while the sum is 31.

The square root of 13456138 is about 3668.2608958470. The cubic root of 13456138 is about 237.8520017663.

The spelling of 13456138 in words is "thirteen million, four hundred fifty-six thousand, one hundred thirty-eight".