1139754680 has 64 divisors (see below), whose sum is σ = 2663884800. Its totient is φ = 438410880.

The previous prime is 1139754667. The next prime is 1139754713. The reversal of 1139754680 is 864579311.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 199301 + ... + 204939.

It is an arithmetic number, because the mean of its divisors is an integer number (41623200).

Almost surely, 2^1139754680 is an apocalyptic number.

1139754680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139754680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331942400).

1139754680 is an abundant number, since it is smaller than the sum of its proper divisors (1524130120).

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

1139754680 is a wasteful number, since it uses less digits than its factorization.

1139754680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844 (or 5840 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1139754680 is about 33760.2529611376. The cubic root of 1139754680 is about 1044.5689880992.

The spelling of 1139754680 in words is "one billion, one hundred thirty-nine million, seven hundred fifty-four thousand, six hundred eighty".