33140507461 has 4 divisors (see below), whose sum is σ = 33141091500. Its totient is φ = 33139923424.

The previous prime is 33140507453. The next prime is 33140507527. The reversal of 33140507461 is 16470504133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19223822500 + 13916684961 = 138650^2 + 117969^2 .

It is a cyclic number.

It is not a de Polignac number, because 33140507461 - 2³ = 33140507453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140507861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196486 + ... + 323863.

It is an arithmetic number, because the mean of its divisors is an integer number (8285272875).

Almost surely, 2^33140507461 is an apocalyptic number.

It is an amenable number.

33140507461 is a deficient number, since it is larger than the sum of its proper divisors (584039).

33140507461 is an equidigital number, since it uses as much as digits as its factorization.

33140507461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584038.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 33140507461 in words is "thirty-three billion, one hundred forty million, five hundred seven thousand, four hundred sixty-one".