1354309 has 16 divisors (see below), whose sum is σ = 1586304. Its totient is φ = 1144000.

The previous prime is 1354307. The next prime is 1354321. The reversal of 1354309 is 9034531.

It is not a de Polignac number, because 1354309 - 2¹ = 1354307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13359 + ... + 13459.

It is an arithmetic number, because the mean of its divisors is an integer number (99144).

2^1354309 is an apocalyptic number.

It is an amenable number.

1354309 is a deficient number, since it is larger than the sum of its proper divisors (231995).

1354309 is a wasteful number, since it uses less digits than its factorization.

1354309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1354309 is about 1163.7478249174. The cubic root of 1354309 is about 110.6384088995.

It can be divided in two parts, 135 and 4309, that added together give a palindrome (4444).

The spelling of 1354309 in words is "one million, three hundred fifty-four thousand, three hundred nine".