1075855138 has 8 divisors (see below), whose sum is σ = 1614055788. Its totient is φ = 537836544.

The previous prime is 1075855133. The next prime is 1075855139. The reversal of 1075855138 is 8315585701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1030602609 + 45252529 = 32103^2 + 6727^2 .

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 = 1075855094 and 1075855103.

It is not an unprimeable number, because it can be changed into a prime (1075855133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29631 + ... + 55042.

Almost surely, 2^1075855138 is an apocalyptic number.

1075855138 is a deficient number, since it is larger than the sum of its proper divisors (538200650).

1075855138 is an equidigital number, since it uses as much as digits as its factorization.

1075855138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91028.

The product of its (nonzero) digits is 168000, while the sum is 43.

The square root of 1075855138 is about 32800.2307613834. The cubic root of 1075855138 is about 1024.6713641660.

The spelling of 1075855138 in words is "one billion, seventy-five million, eight hundred fifty-five thousand, one hundred thirty-eight".