33135126140 has 12 divisors (see below), whose sum is σ = 69583764936. Its totient is φ = 13254050448.

The previous prime is 33135126131. The next prime is 33135126161. The reversal of 33135126140 is 4162153133.

It is a super-2 number, since 2×33135126140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 828378134 + ... + 828378173.

It is an arithmetic number, because the mean of its divisors is an integer number (5798647078).

Almost surely, 2^33135126140 is an apocalyptic number.

It is an amenable number.

33135126140 is an abundant number, since it is smaller than the sum of its proper divisors (36448638796).

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

33135126140 is a wasteful number, since it uses less digits than its factorization.

33135126140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656756316 (or 1656756314 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 33135126140 its reverse (4162153133), we get a palindrome (37297279273).

The spelling of 33135126140 in words is "thirty-three billion, one hundred thirty-five million, one hundred twenty-six thousand, one hundred forty".