1390110238 has 32 divisors (see below), whose sum is σ = 2340483840. Its totient is φ = 613863360.

The previous prime is 1390110233. The next prime is 1390110257. The reversal of 1390110238 is 8320110931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390110233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101143 + ... + 114061.

It is an arithmetic number, because the mean of its divisors is an integer number (73140120).

Almost surely, 2^1390110238 is an apocalyptic number.

1390110238 is a deficient number, since it is larger than the sum of its proper divisors (950373602).

1390110238 is a wasteful number, since it uses less digits than its factorization.

1390110238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1390110238 is about 37284.1821420291. The cubic root of 1390110238 is about 1116.0485321880.

It can be divided in two parts, 1390 and 110238, that added together give a triangular number (111628 = T₄₇₂).

The spelling of 1390110238 in words is "one billion, three hundred ninety million, one hundred ten thousand, two hundred thirty-eight".