13139354 has 4 divisors (see below), whose sum is σ = 19709034. Its totient is φ = 6569676.

The previous prime is 13139341. The next prime is 13139369. The reversal of 13139354 is 45393131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45393131 = 7 ⋅6484733.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 13225 = 3623^2 + 115^2 .

It is a Curzon number.

It is an unprimeable number.

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, 3284837 + ... + 3284840.

Almost surely, 2^13139354 is an apocalyptic number.

13139354 is a deficient number, since it is larger than the sum of its proper divisors (6569680).

13139354 is an equidigital number, since it uses as much as digits as its factorization.

13139354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569679.

The product of its digits is 4860, while the sum is 29.

The square root of 13139354 is about 3624.8246854158. The cubic root of 13139354 is about 235.9706585182.

The spelling of 13139354 in words is "thirteen million, one hundred thirty-nine thousand, three hundred fifty-four".