1139710770 has 128 divisors (see below), whose sum is σ = 3510708480. Its totient is φ = 260029440.

The previous prime is 1139710757. The next prime is 1139710813. The reversal of 1139710770 is 770179311.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 39204 + ... + 61776.

It is an arithmetic number, because the mean of its divisors is an integer number (27427410).

Almost surely, 2^1139710770 is an apocalyptic number.

1139710770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139710770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755354240).

1139710770 is an abundant number, since it is smaller than the sum of its proper divisors (2370997710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139710770 is a wasteful number, since it uses less digits than its factorization.

1139710770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22617 (or 22611 counting only the distinct ones).

The product of its (nonzero) digits is 9261, while the sum is 36.

The square root of 1139710770 is about 33759.6026339174. The cubic root of 1139710770 is about 1044.5555736297. Note that the first 4 decimals are identical.

The spelling of 1139710770 in words is "one billion, one hundred thirty-nine million, seven hundred ten thousand, seven hundred seventy".