1135727385 has 32 divisors (see below), whose sum is σ = 1986176640. Its totient is φ = 550775808.

The previous prime is 1135727303. The next prime is 1135727389. The reversal of 1135727385 is 5837275311.

It is a happy number.

It is not a de Polignac number, because 1135727385 - 2⁹ = 1135726873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1135727389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30400 + ... + 56529.

It is an arithmetic number, because the mean of its divisors is an integer number (62068020).

Almost surely, 2^1135727385 is an apocalyptic number.

1135727385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1135727385 is a deficient number, since it is larger than the sum of its proper divisors (850449255).

1135727385 is a wasteful number, since it uses less digits than its factorization.

1135727385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87017.

The product of its digits is 176400, while the sum is 42.

The square root of 1135727385 is about 33700.5546690258. The cubic root of 1135727385 is about 1043.3372165767.

The spelling of 1135727385 in words is "one billion, one hundred thirty-five million, seven hundred twenty-seven thousand, three hundred eighty-five".