1341909 has 6 divisors (see below), whose sum is σ = 1938326. Its totient is φ = 894600.

The previous prime is 1341883. The next prime is 1341911. The reversal of 1341909 is 9091431.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 142884 = 1095^2 + 378^2 .

It is not a de Polignac number, because 1341909 - 2⁵ = 1341877 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 (1341919) 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, 74542 + ... + 74559.

2^1341909 is an apocalyptic number.

It is an amenable number.

1341909 is a deficient number, since it is larger than the sum of its proper divisors (596417).

1341909 is a wasteful number, since it uses less digits than its factorization.

1341909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149107 (or 149104 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1341909 is about 1158.4079592268. The cubic root of 1341909 is about 110.2997060949.

The spelling of 1341909 in words is "one million, three hundred forty-one thousand, nine hundred nine".