1135705457 has 4 divisors (see below), whose sum is σ = 1151263140. Its totient is φ = 1120147776.

The previous prime is 1135705397. The next prime is 1135705463. The reversal of 1135705457 is 7545075311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 684397921 + 451307536 = 26161^2 + 21244^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135705457 - 2¹² = 1135701361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135705457.

It is not an unprimeable number, because it can be changed into a prime (1135704457) 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 3 ways as a sum of consecutive naturals, for example, 7778732 + ... + 7778877.

It is an arithmetic number, because the mean of its divisors is an integer number (287815785).

Almost surely, 2^1135705457 is an apocalyptic number.

It is an amenable number.

1135705457 is a deficient number, since it is larger than the sum of its proper divisors (15557683).

1135705457 is an equidigital number, since it uses as much as digits as its factorization.

1135705457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557682.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 1135705457 is about 33700.2293315639. The cubic root of 1135705457 is about 1043.3305018064.

The spelling of 1135705457 in words is "one billion, one hundred thirty-five million, seven hundred five thousand, four hundred fifty-seven".