1354109 has 6 divisors (see below), whose sum is σ = 1380990. Its totient is φ = 1327736.

The previous prime is 1354081. The next prime is 1354127. The reversal of 1354109 is 9014531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 348100 = 1003^2 + 590^2 .

It is not a de Polignac number, because 1354109 - 2²⁰ = 305533 is a prime.

It is a super-2 number, since 2×1354109² = 3667222367762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3287 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (230165).

2^1354109 is an apocalyptic number.

It is an amenable number.

1354109 is a deficient number, since it is larger than the sum of its proper divisors (26881).

1354109 is an frugal number, since it uses more digits than its factorization.

1354109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1354109 is about 1163.6618924756. The cubic root of 1354109 is about 110.6329623898.

The spelling of 1354109 in words is "one million, three hundred fifty-four thousand, one hundred nine".