1136449775 has 6 divisors (see below), whose sum is σ = 1409197752. Its totient is φ = 909159800.

The previous prime is 1136449771. The next prime is 1136449807. The reversal of 1136449775 is 5779446311.

It is not a de Polignac number, because 1136449775 - 2² = 1136449771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136449771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22728971 + ... + 22729020.

It is an arithmetic number, because the mean of its divisors is an integer number (234866292).

Almost surely, 2^1136449775 is an apocalyptic number.

1136449775 is a deficient number, since it is larger than the sum of its proper divisors (272747977).

1136449775 is an equidigital number, since it uses as much as digits as its factorization.

1136449775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45458001 (or 45457996 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 1136449775 is about 33711.2707414004. The cubic root of 1136449775 is about 1043.5583778166.

The spelling of 1136449775 in words is "one billion, one hundred thirty-six million, four hundred forty-nine thousand, seven hundred seventy-five".