140433646561 has 8 divisors (see below), whose sum is σ = 156114823424. Its totient is φ = 125449410960.

The previous prime is 140433646511. The next prime is 140433646567. The reversal of 140433646561 is 165646334041.

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 140433646561 - 2¹⁷ = 140433515489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140433646567) 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, 174234891 + ... + 174235696.

It is an arithmetic number, because the mean of its divisors is an integer number (19514352928).

Almost surely, 2^140433646561 is an apocalyptic number.

It is an amenable number.

140433646561 is a deficient number, since it is larger than the sum of its proper divisors (15681176863).

140433646561 is a wasteful number, since it uses less digits than its factorization.

140433646561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348470631.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 140433646561 in words is "one hundred forty billion, four hundred thirty-three million, six hundred forty-six thousand, five hundred sixty-one".