1155456136 has 16 divisors (see below), whose sum is σ = 2293920540. Its totient is φ = 543744000.

The previous prime is 1155456103. The next prime is 1155456157. The reversal of 1155456136 is 6316545511.

It can be written as a sum of positive squares in 2 ways, for example, as 991872036 + 163584100 = 31494^2 + 12790^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1155456095 and 1155456104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4247865 + ... + 4248136.

Almost surely, 2^1155456136 is an apocalyptic number.

It is an amenable number.

1155456136 is a deficient number, since it is larger than the sum of its proper divisors (1138464404).

1155456136 is a wasteful number, since it uses less digits than its factorization.

1155456136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8496024 (or 8496020 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 1155456136 is about 33992.0010590727. The cubic root of 1155456136 is about 1049.3438488585.

The spelling of 1155456136 in words is "one billion, one hundred fifty-five million, four hundred fifty-six thousand, one hundred thirty-six".