1153205136 has 30 divisors (see below), whose sum is σ = 3227373110. Its totient is φ = 384401664.

The previous prime is 1153205087. The next prime is 1153205143. The reversal of 1153205136 is 6315023511.

1153205136 is a `hidden beast` number, since 115 + 32 + 0 + 513 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1085043600 + 68161536 = 32940^2 + 8256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4004041 + ... + 4004328.

Almost surely, 2^1153205136 is an apocalyptic number.

1153205136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1153205136 is an abundant number, since it is smaller than the sum of its proper divisors (2074167974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153205136 is a wasteful number, since it uses less digits than its factorization.

1153205136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008383 (or 8008374 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1153205136 is about 33958.8741862860. The cubic root of 1153205136 is about 1048.6619800328.

Adding to 1153205136 its reverse (6315023511), we get a palindrome (7468228647).

The spelling of 1153205136 in words is "one billion, one hundred fifty-three million, two hundred five thousand, one hundred thirty-six".