33013140186 has 128 divisors (see below), whose sum is σ = 78911078400. Its totient is φ = 9114094080.

The previous prime is 33013140113. The next prime is 33013140187. The reversal of 33013140186 is 68104131033.

It is a super-2 number, since 2×33013140186² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33013140187) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2151630 + ... + 2166918.

It is an arithmetic number, because the mean of its divisors is an integer number (616492800).

Almost surely, 2^33013140186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33013140186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39455539200).

33013140186 is an abundant number, since it is smaller than the sum of its proper divisors (45897938214).

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

33013140186 is a wasteful number, since it uses less digits than its factorization.

33013140186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 33013140186 in words is "thirty-three billion, thirteen million, one hundred forty thousand, one hundred eighty-six".