1136505530 has 16 divisors (see below), whose sum is σ = 2065966344. Its totient is φ = 450100800.

The previous prime is 1136505521. The next prime is 1136505533. The reversal of 1136505530 is 355056311.

It can be written as a sum of positive squares in 4 ways, for example, as 1085768401 + 50737129 = 32951^2 + 7123^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1136505493 and 1136505502.

It is not an unprimeable number, because it can be changed into a prime (1136505533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561617 + ... + 563636.

Almost surely, 2^1136505530 is an apocalyptic number.

1136505530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1136505530 is a deficient number, since it is larger than the sum of its proper divisors (929460814).

1136505530 is a wasteful number, since it uses less digits than its factorization.

1136505530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125361.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 1136505530 is about 33712.0976802097. The cubic root of 1136505530 is about 1043.5754434324.

The spelling of 1136505530 in words is "one billion, one hundred thirty-six million, five hundred five thousand, five hundred thirty".