1080370138 has 4 divisors (see below), whose sum is σ = 1620555210. Its totient is φ = 540185068.

The previous prime is 1080370127. The next prime is 1080370157. The reversal of 1080370138 is 8310730801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 641760889 + 438609249 = 25333^2 + 20943^2 .

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 as a sum of consecutive naturals, namely, 270092533 + ... + 270092536.

Almost surely, 2^1080370138 is an apocalyptic number.

1080370138 is a deficient number, since it is larger than the sum of its proper divisors (540185072).

1080370138 is an equidigital number, since it uses as much as digits as its factorization.

1080370138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540185071.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1080370138 is about 32868.9844382208. The cubic root of 1080370138 is about 1026.1027633366.

The spelling of 1080370138 in words is "one billion, eighty million, three hundred seventy thousand, one hundred thirty-eight".