1341910209 has 4 divisors (see below), whose sum is σ = 1789213616. Its totient is φ = 894606804.

The previous prime is 1341910121. The next prime is 1341910217. The reversal of 1341910209 is 9020191431.

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: 9020191431 = 3 ⋅3006730477.

It is not a de Polignac number, because 1341910209 - 2²³ = 1333521601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341910259) 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, 223651699 + ... + 223651704.

It is an arithmetic number, because the mean of its divisors is an integer number (447303404).

Almost surely, 2^1341910209 is an apocalyptic number.

It is an amenable number.

1341910209 is a deficient number, since it is larger than the sum of its proper divisors (447303407).

1341910209 is an equidigital number, since it uses as much as digits as its factorization.

1341910209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447303406.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1341910209 is about 36632.0926101690. The cubic root of 1341910209 is about 1102.9973921990.

The spelling of 1341910209 in words is "one billion, three hundred forty-one million, nine hundred ten thousand, two hundred nine".