1090138 has 8 divisors (see below), whose sum is σ = 1868832. Its totient is φ = 467196.

The previous prime is 1090129. The next prime is 1090151. The reversal of 1090138 is 8310901.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38920 + ... + 38947.

It is an arithmetic number, because the mean of its divisors is an integer number (233604).

2^1090138 is an apocalyptic number.

1090138 is a deficient number, since it is larger than the sum of its proper divisors (778694).

1090138 is an equidigital number, since it uses as much as digits as its factorization.

1090138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77876.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1090138 is about 1044.0967388130. The cubic root of 1090138 is about 102.9185896439.

The spelling of 1090138 in words is "one million, ninety thousand, one hundred thirty-eight".