1139796355 has 4 divisors (see below), whose sum is σ = 1367755632. Its totient is φ = 911837080.

The previous prime is 1139796353. The next prime is 1139796373. The reversal of 1139796355 is 5536979311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1139796355 - 2¹ = 1139796353 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1139796299 and 1139796308.

It is not an unprimeable number, because it can be changed into a prime (1139796353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113979631 + ... + 113979640.

It is an arithmetic number, because the mean of its divisors is an integer number (341938908).

Almost surely, 2^1139796355 is an apocalyptic number.

1139796355 is a deficient number, since it is larger than the sum of its proper divisors (227959277).

1139796355 is an equidigital number, since it uses as much as digits as its factorization.

1139796355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227959276.

The product of its digits is 765450, while the sum is 49.

The square root of 1139796355 is about 33760.8701753968. The cubic root of 1139796355 is about 1044.5817194594.

The spelling of 1139796355 in words is "one billion, one hundred thirty-nine million, seven hundred ninety-six thousand, three hundred fifty-five".