1139651945208 has 128 divisors (see below), whose sum is σ = 3668899968000. Its totient is φ = 321028686720.

The previous prime is 1139651945207. The next prime is 1139651945233. The reversal of 1139651945208 is 8025491569311.

1139651945208 is a `hidden beast` number, since 1 + 1 + 396 + 5 + 1 + 9 + 45 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139651945207) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5200663 + ... + 5415366.

It is an arithmetic number, because the mean of its divisors is an integer number (28663281000).

Almost surely, 2^{1139651945208} is an apocalyptic number.

1139651945208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1139651945208 is an abundant number, since it is smaller than the sum of its proper divisors (2529248022792).

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

1139651945208 is a wasteful number, since it uses less digits than its factorization.

1139651945208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616122 (or 10616112 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 1139651945208 in words is "one trillion, one hundred thirty-nine billion, six hundred fifty-one million, nine hundred forty-five thousand, two hundred eight".