140035530643 has 4 divisors (see below), whose sum is σ = 140043820480. Its totient is φ = 140027240808.

The previous prime is 140035530641. The next prime is 140035530671. The reversal of 140035530643 is 346035530041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346035530041 = 6421 ⋅53891221.

It is a cyclic number.

It is not a de Polignac number, because 140035530643 - 2¹ = 140035530641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140035530599 and 140035530608.

It is not an unprimeable number, because it can be changed into a prime (140035530641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4119528 + ... + 4153381.

It is an arithmetic number, because the mean of its divisors is an integer number (35010955120).

Almost surely, 2^140035530643 is an apocalyptic number.

140035530643 is a deficient number, since it is larger than the sum of its proper divisors (8289837).

140035530643 is an equidigital number, since it uses as much as digits as its factorization.

140035530643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8289836.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 140035530643 in words is "one hundred forty billion, thirty-five million, five hundred thirty thousand, six hundred forty-three".