1088139 has 8 divisors (see below), whose sum is σ = 1562512. Its totient is φ = 669600.

The previous prime is 1088123. The next prime is 1088159. The reversal of 1088139 is 9318801.

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

It is not a de Polignac number, because 1088139 - 2⁴ = 1088123 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 (1088159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13912 + ... + 13989.

It is an arithmetic number, because the mean of its divisors is an integer number (195314).

2^1088139 is an apocalyptic number.

1088139 is a deficient number, since it is larger than the sum of its proper divisors (474373).

1088139 is a wasteful number, since it uses less digits than its factorization.

1088139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27917.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1088139 is about 1043.1390127878. The cubic root of 1088139 is about 102.8556434415.

The spelling of 1088139 in words is "one million, eighty-eight thousand, one hundred thirty-nine".