109135019 has 8 divisors (see below), whose sum is σ = 132062688. Its totient is φ = 88041600.

The previous prime is 109135009. The next prime is 109135043. The reversal of 109135019 is 910531901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109135019 is a prime.

It is a super-2 number, since 2×109135019² = 23820904744260722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109134982 and 109135000.

It is not an unprimeable number, because it can be changed into a prime (109135009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458432 + ... + 458669.

It is an arithmetic number, because the mean of its divisors is an integer number (16507836).

Almost surely, 2^109135019 is an apocalyptic number.

109135019 is a deficient number, since it is larger than the sum of its proper divisors (22927669).

109135019 is an equidigital number, since it uses as much as digits as its factorization.

109135019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917125.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 109135019 is about 10446.7707450676. The cubic root of 109135019 is about 477.8827741340.

The spelling of 109135019 in words is "one hundred nine million, one hundred thirty-five thousand, nineteen".