1139038390 has 32 divisors (see below), whose sum is σ = 2347308864. Its totient is φ = 389836800.

The previous prime is 1139038387. The next prime is 1139038393. The reversal of 1139038390 is 938309311.

It is an interprime number because it is at equal distance from previous prime (1139038387) and next prime (1139038393).

It is a super-3 number, since 3×1139038390³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139038393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26290 + ... + 54490.

It is an arithmetic number, because the mean of its divisors is an integer number (73353402).

Almost surely, 2^1139038390 is an apocalyptic number.

1139038390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139038390 is an abundant number, since it is smaller than the sum of its proper divisors (1208270474).

1139038390 is a wasteful number, since it uses less digits than its factorization.

1139038390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28792.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1139038390 is about 33749.6428129247. The cubic root of 1139038390 is about 1044.3501190364.

The spelling of 1139038390 in words is "one billion, one hundred thirty-nine million, thirty-eight thousand, three hundred ninety".