13964129 has 4 divisors (see below), whose sum is σ = 14036676. Its totient is φ = 13891584.

The previous prime is 13964113. The next prime is 13964147. The reversal of 13964129 is 92146931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92146931 = 47 ⋅1960573.

It can be written as a sum of positive squares in 2 ways, for example, as 9333025 + 4631104 = 3055^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 13964129 - 2⁴ = 13964113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13964729) by changing a digit.

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, 35984 + ... + 36369.

It is an arithmetic number, because the mean of its divisors is an integer number (3509169).

Almost surely, 2^13964129 is an apocalyptic number.

It is an amenable number.

13964129 is a deficient number, since it is larger than the sum of its proper divisors (72547).

13964129 is an equidigital number, since it uses as much as digits as its factorization.

13964129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72546.

The product of its digits is 11664, while the sum is 35.

The square root of 13964129 is about 3736.8608483592. The cubic root of 13964129 is about 240.8082069972.

The spelling of 13964129 in words is "thirteen million, nine hundred sixty-four thousand, one hundred twenty-nine".