33531552136 has 16 divisors (see below), whose sum is σ = 63902344140. Its totient is φ = 16490927040.

The previous prime is 33531552121. The next prime is 33531552149. The reversal of 33531552136 is 63125513533.

It can be written as a sum of positive squares in 2 ways, for example, as 26474544100 + 7057008036 = 162710^2 + 84006^2 .

It is a super-2 number, since 2×33531552136² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33531552095 and 33531552104.

It is an unprimeable number.

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, 34355611 + ... + 34356586.

Almost surely, 2^33531552136 is an apocalyptic number.

It is an amenable number.

33531552136 is a deficient number, since it is larger than the sum of its proper divisors (30370792004).

33531552136 is a wasteful number, since it uses less digits than its factorization.

33531552136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68712264 (or 68712260 counting only the distinct ones).

The product of its digits is 121500, while the sum is 37.

The spelling of 33531552136 in words is "thirty-three billion, five hundred thirty-one million, five hundred fifty-two thousand, one hundred thirty-six".