140534645533 has 4 divisors (see below), whose sum is σ = 140557961340. Its totient is φ = 140511329728.

The previous prime is 140534645519. The next prime is 140534645543. The reversal of 140534645533 is 335546435041.

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 133296549604 + 7238095929 = 365098^2 + 85077^2 .

It is a cyclic number.

It is not a de Polignac number, because 140534645533 - 2⁹ = 140534645021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140534645533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140534645513) 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, 11648860 + ... + 11660917.

It is an arithmetic number, because the mean of its divisors is an integer number (35139490335).

Almost surely, 2^140534645533 is an apocalyptic number.

It is an amenable number.

140534645533 is a deficient number, since it is larger than the sum of its proper divisors (23315807).

140534645533 is an equidigital number, since it uses as much as digits as its factorization.

140534645533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23315806.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 140534645533 in words is "one hundred forty billion, five hundred thirty-four million, six hundred forty-five thousand, five hundred thirty-three".