33510540138 has 32 divisors (see below), whose sum is σ = 71825187456. Its totient is φ = 10395747648.

The previous prime is 33510540121. The next prime is 33510540211. The reversal of 33510540138 is 83104501533.

It is a super-2 number, since 2×33510540138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33510540099 and 33510540108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276381 + ... + 3286592.

It is an arithmetic number, because the mean of its divisors is an integer number (2244537108).

Almost surely, 2^33510540138 is an apocalyptic number.

33510540138 is an abundant number, since it is smaller than the sum of its proper divisors (38314647318).

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

33510540138 is a wasteful number, since it uses less digits than its factorization.

33510540138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563038.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 33510540138 in words is "thirty-three billion, five hundred ten million, five hundred forty thousand, one hundred thirty-eight".