1136545057 has 4 divisors (see below), whose sum is σ = 1136629440. Its totient is φ = 1136460676.

The previous prime is 1136545027. The next prime is 1136545063. The reversal of 1136545057 is 7505456311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7505456311 = 197 ⋅38098763.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1136545057 is a prime.

It is a super-2 number, since 2×1136545057² = 2583469333182266498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136545027) 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, 16957 + ... + 50602.

It is an arithmetic number, because the mean of its divisors is an integer number (284157360).

Almost surely, 2^1136545057 is an apocalyptic number.

It is an amenable number.

1136545057 is a deficient number, since it is larger than the sum of its proper divisors (84383).

1136545057 is an equidigital number, since it uses as much as digits as its factorization.

1136545057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84382.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 1136545057 is about 33712.6839186678. The cubic root of 1136545057 is about 1043.5875416074.

The spelling of 1136545057 in words is "one billion, one hundred thirty-six million, five hundred forty-five thousand, fifty-seven".