33140345381 has 8 divisors (see below), whose sum is σ = 38934112224. Its totient is φ = 27810079920.

The previous prime is 33140345351. The next prime is 33140345383. The reversal of 33140345381 is 18354304133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33140345381 - 2¹⁴ = 33140328997 is a prime.

It is a super-2 number, since 2×33140345381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140345383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115875191 + ... + 115875476.

It is an arithmetic number, because the mean of its divisors is an integer number (4866764028).

Almost surely, 2^33140345381 is an apocalyptic number.

It is an amenable number.

33140345381 is a deficient number, since it is larger than the sum of its proper divisors (5793766843).

33140345381 is a wasteful number, since it uses less digits than its factorization.

33140345381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231750691.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 33140345381 in words is "thirty-three billion, one hundred forty million, three hundred forty-five thousand, three hundred eighty-one".