1396129 has 4 divisors (see below), whose sum is σ = 1595584. Its totient is φ = 1196676.

The previous prime is 1396127. The next prime is 1396141. The reversal of 1396129 is 9216931.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9216931 = 109 ⋅84559.

It is a cyclic number.

It is not a de Polignac number, because 1396129 - 2¹ = 1396127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1396129.

It is not an unprimeable number, because it can be changed into a prime (1396127) 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, 99717 + ... + 99730.

It is an arithmetic number, because the mean of its divisors is an integer number (398896).

2^1396129 is an apocalyptic number.

It is an amenable number.

1396129 is a deficient number, since it is larger than the sum of its proper divisors (199455).

1396129 is an equidigital number, since it uses as much as digits as its factorization.

1396129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199454.

The product of its digits is 2916, while the sum is 31.

The square root of 1396129 is about 1181.5790282499. The cubic root of 1396129 is about 111.7656932019.

The spelling of 1396129 in words is "one million, three hundred ninety-six thousand, one hundred twenty-nine".