1139207880 has 32 divisors (see below), whose sum is σ = 3417624000. Its totient is φ = 303788736.

The previous prime is 1139207863. The next prime is 1139207929. The reversal of 1139207880 is 887029311.

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 7 ways as a sum of consecutive naturals, for example, 4746580 + ... + 4746819.

It is an arithmetic number, because the mean of its divisors is an integer number (106800750).

Almost surely, 2^1139207880 is an apocalyptic number.

1139207880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139207880 is an abundant number, since it is smaller than the sum of its proper divisors (2278416120).

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

1139207880 is a wasteful number, since it uses less digits than its factorization.

1139207880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9493413 (or 9493409 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1139207880 is about 33752.1537090598. The cubic root of 1139207880 is about 1044.4019165656.

The spelling of 1139207880 in words is "one billion, one hundred thirty-nine million, two hundred seven thousand, eight hundred eighty".