1090135 has 8 divisors (see below), whose sum is σ = 1314720. Its totient is φ = 867744.

The previous prime is 1090129. The next prime is 1090151. The reversal of 1090135 is 5310901.

1090135 = T₈₅₁ + T₈₅₂ + T₈₅₃.

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

It is a cyclic number.

It is not a de Polignac number, because 1090135 - 2³ = 1090127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (164340).

2^1090135 is an apocalyptic number.

1090135 is the 853-rd centered triangular number.

1090135 is a deficient number, since it is larger than the sum of its proper divisors (224585).

1090135 is an equidigital number, since it uses as much as digits as its factorization.

1090135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1090135 is about 1044.0953021636. The cubic root of 1090135 is about 102.9184952351.

It can be divided in two parts, 1090 and 135, that added together give a triangular number (1225 = T₄₉).

The spelling of 1090135 in words is "one million, ninety thousand, one hundred thirty-five".