13739129 has 4 divisors (see below), whose sum is σ = 13775760. Its totient is φ = 13702500.

The previous prime is 13739101. The next prime is 13739161. The reversal of 13739129 is 92193731.

13739129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13739129 - 2²⁰ = 12690553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13739189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17747 + ... + 18504.

It is an arithmetic number, because the mean of its divisors is an integer number (3443940).

Almost surely, 2^13739129 is an apocalyptic number.

It is an amenable number.

13739129 is a deficient number, since it is larger than the sum of its proper divisors (36631).

13739129 is an equidigital number, since it uses as much as digits as its factorization.

13739129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36630.

The product of its digits is 10206, while the sum is 35.

The square root of 13739129 is about 3706.6331083613. The cubic root of 13739129 is about 239.5078398126.

The spelling of 13739129 in words is "thirteen million, seven hundred thirty-nine thousand, one hundred twenty-nine".