13435109 has 4 divisors (see below), whose sum is σ = 14142240. Its totient is φ = 12727980.

The previous prime is 13435073. The next prime is 13435111. The reversal of 13435109 is 90153431.

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.

It is a cyclic number.

It is not a de Polignac number, because 13435109 - 2⁸ = 13434853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13435159) 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, 353537 + ... + 353574.

It is an arithmetic number, because the mean of its divisors is an integer number (3535560).

Almost surely, 2^13435109 is an apocalyptic number.

13435109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13435109 is a deficient number, since it is larger than the sum of its proper divisors (707131).

13435109 is an equidigital number, since it uses as much as digits as its factorization.

13435109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707130.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13435109 is about 3665.3934304519. The cubic root of 13435109 is about 237.7280336170.

The spelling of 13435109 in words is "thirteen million, four hundred thirty-five thousand, one hundred nine".