1139755841 has 8 divisors (see below), whose sum is σ = 1302853824. Its totient is φ = 976726800.

The previous prime is 1139755819. The next prime is 1139755849. The reversal of 1139755841 is 1485579311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1139755841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1139755792 and 1139755801.

It is not an unprimeable number, because it can be changed into a prime (1139755849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25151 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (162856728).

Almost surely, 2^1139755841 is an apocalyptic number.

It is an amenable number.

1139755841 is a deficient number, since it is larger than the sum of its proper divisors (163097983).

1139755841 is an equidigital number, since it uses as much as digits as its factorization.

1139755841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34471.

The product of its digits is 151200, while the sum is 44.

The square root of 1139755841 is about 33760.2701559096. The cubic root of 1139755841 is about 1044.5693427791.

The spelling of 1139755841 in words is "one billion, one hundred thirty-nine million, seven hundred fifty-five thousand, eight hundred forty-one".