1139940170 has 16 divisors (see below), whose sum is σ = 2052765288. Its totient is φ = 455782080.

The previous prime is 1139940167. The next prime is 1139940181. The reversal of 1139940170 is 710499311.

It is a happy number.

It is a Cunningham number, because it is equal to 33763²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1117765489 + 22174681 = 33433^2 + 4709^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1139940170.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760 + ... + 47780.

Almost surely, 2^1139940170 is an apocalyptic number.

1139940170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139940170 is a deficient number, since it is larger than the sum of its proper divisors (912825118).

1139940170 is a wasteful number, since it uses less digits than its factorization.

1139940170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48505.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1139940170 is about 33763.0000148091. Note that the first 4 decimals coincide. The cubic root of 1139940170 is about 1044.6256513429.

The spelling of 1139940170 in words is "one billion, one hundred thirty-nine million, nine hundred forty thousand, one hundred seventy".