1139937544 has 16 divisors (see below), whose sum is σ = 2152986300. Its totient is φ = 565807872.

The previous prime is 1139937517. The next prime is 1139937571. The reversal of 1139937544 is 4457399311.

It is an interprime number because it is at equal distance from previous prime (1139937517) and next prime (1139937571).

It can be written as a sum of positive squares in 2 ways, for example, as 1050408100 + 89529444 = 32410^2 + 9462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1139937494 and 1139937503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518949 + ... + 521140.

Almost surely, 2^1139937544 is an apocalyptic number.

It is an amenable number.

1139937544 is a deficient number, since it is larger than the sum of its proper divisors (1013048756).

1139937544 is a wasteful number, since it uses less digits than its factorization.

1139937544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040232 (or 1040228 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 1139937544 is about 33762.9611260624. The cubic root of 1139937544 is about 1044.6248491987.

The spelling of 1139937544 in words is "one billion, one hundred thirty-nine million, nine hundred thirty-seven thousand, five hundred forty-four".