140563351 has 4 divisors (see below), whose sum is σ = 140602392. Its totient is φ = 140524312.

The previous prime is 140563343. The next prime is 140563363. The reversal of 140563351 is 153365041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140563351 - 2³ = 140563343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140563301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13501 + ... + 21526.

It is an arithmetic number, because the mean of its divisors is an integer number (35150598).

Almost surely, 2^140563351 is an apocalyptic number.

140563351 is a deficient number, since it is larger than the sum of its proper divisors (39041).

140563351 is an equidigital number, since it uses as much as digits as its factorization.

140563351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39040.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 140563351 is about 11855.9415906119. The cubic root of 140563351 is about 519.9449534926.

The spelling of 140563351 in words is "one hundred forty million, five hundred sixty-three thousand, three hundred fifty-one".