33140712657 has 16 divisors (see below), whose sum is σ = 49121719808. Its totient is φ = 19736403840.

The previous prime is 33140712637. The next prime is 33140712677. The reversal of 33140712657 is 75621704133.

It is an interprime number because it is at equal distance from previous prime (33140712637) and next prime (33140712677).

It is not a de Polignac number, because 33140712657 - 2²⁰ = 33139664081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33140712637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13704628 + ... + 13707045.

It is an arithmetic number, because the mean of its divisors is an integer number (3070107488).

Almost surely, 2^33140712657 is an apocalyptic number.

It is an amenable number.

33140712657 is a deficient number, since it is larger than the sum of its proper divisors (15981007151).

33140712657 is a wasteful number, since it uses less digits than its factorization.

33140712657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27411720.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 33140712657 in words is "thirty-three billion, one hundred forty million, seven hundred twelve thousand, six hundred fifty-seven".