1097323138 has 8 divisors (see below), whose sum is σ = 1646695440. Its totient is φ = 548424660.

The previous prime is 1097323127. The next prime is 1097323177. The reversal of 1097323138 is 8313237901.

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

It is a junction number, because it is equal to n+sod(n) for n = 1097323097 and 1097323106.

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, 112608 + ... + 121963.

It is an arithmetic number, because the mean of its divisors is an integer number (205836930).

Almost surely, 2^1097323138 is an apocalyptic number.

1097323138 is a deficient number, since it is larger than the sum of its proper divisors (549372302).

1097323138 is a wasteful number, since it uses less digits than its factorization.

1097323138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236912.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1097323138 is about 33125.8681093794. The cubic root of 1097323138 is about 1031.4420803250.

The spelling of 1097323138 in words is "one billion, ninety-seven million, three hundred twenty-three thousand, one hundred thirty-eight".