33531060136 has 32 divisors (see below), whose sum is σ = 73207981440. Its totient is φ = 14099312448.

The previous prime is 33531060109. The next prime is 33531060169. The reversal of 33531060136 is 63106013533.

It is a super-2 number, since 2×33531060136² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33531060098 and 33531060107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645796 + ... + 5651731.

It is an arithmetic number, because the mean of its divisors is an integer number (2287749420).

Almost surely, 2^33531060136 is an apocalyptic number.

It is an amenable number.

33531060136 is an abundant number, since it is smaller than the sum of its proper divisors (39676921304).

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

33531060136 is a wasteful number, since it uses less digits than its factorization.

33531060136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11297593 (or 11297589 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 31.

Adding to 33531060136 its reverse (63106013533), we get a palindrome (96637073669).

The spelling of 33531060136 in words is "thirty-three billion, five hundred thirty-one million, sixty thousand, one hundred thirty-six".