140454201545353 has 4 divisors (see below), whose sum is σ = 148716213400980. Its totient is φ = 132192189689728.

The previous prime is 140454201545269. The next prime is 140454201545377. The reversal of 140454201545353 is 353545102454041.

It is a happy number.

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 52829100699769 + 87625100845584 = 7268363^2 + 9360828^2 .

It is a cyclic number.

It is not a de Polignac number, because 140454201545353 - 2¹⁷ = 140454201414281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140454201543353) 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, 4131005927788 + ... + 4131005927821.

It is an arithmetic number, because the mean of its divisors is an integer number (37179053350245).

Almost surely, 2^{140454201545353} is an apocalyptic number.

It is an amenable number.

140454201545353 is a deficient number, since it is larger than the sum of its proper divisors (8262011855627).

140454201545353 is an equidigital number, since it uses as much as digits as its factorization.

140454201545353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262011855626.

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 140454201545353 its reverse (353545102454041), we get a palindrome (493999303999394).

The spelling of 140454201545353 in words is "one hundred forty trillion, four hundred fifty-four billion, two hundred one million, five hundred forty-five thousand, three hundred fifty-three".