210140053 has 8 divisors (see below), whose sum is σ = 212029272. Its totient is φ = 208256256.

The previous prime is 210140039. The next prime is 210140083. The reversal of 210140053 is 350041012.

It can be written as a sum of positive squares in 4 ways, for example, as 4418404 + 205721649 = 2102^2 + 14343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210140053 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 (210140023) 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, 127551 + ... + 129187.

It is an arithmetic number, because the mean of its divisors is an integer number (26503659).

Almost surely, 2^210140053 is an apocalyptic number.

It is an amenable number.

210140053 is a deficient number, since it is larger than the sum of its proper divisors (1889219).

210140053 is a wasteful number, since it uses less digits than its factorization.

210140053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 210140053 is about 14496.2082283610. The cubic root of 210140053 is about 594.5243030712.

Adding to 210140053 its reverse (350041012), we get a palindrome (560181065).

The spelling of 210140053 in words is "two hundred ten million, one hundred forty thousand, fifty-three".