1090731238 has 8 divisors (see below), whose sum is σ = 1692514080. Its totient is φ = 526559880.

The previous prime is 1090731227. The next prime is 1090731287. The reversal of 1090731238 is 8321370901.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9402798 + ... + 9402913.

It is an arithmetic number, because the mean of its divisors is an integer number (211564260).

Almost surely, 2^1090731238 is an apocalyptic number.

1090731238 is a deficient number, since it is larger than the sum of its proper divisors (601782842).

1090731238 is a wasteful number, since it uses less digits than its factorization.

1090731238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805742.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1090731238 is about 33026.2204619299. The cubic root of 1090731238 is about 1029.3725521546.

The spelling of 1090731238 in words is "one billion, ninety million, seven hundred thirty-one thousand, two hundred thirty-eight".