202140315 has 48 divisors (see below), whose sum is σ = 379203552. Its totient is φ = 99021312.

The previous prime is 202140311. The next prime is 202140317. The reversal of 202140315 is 513041202.

It is not a de Polignac number, because 202140315 - 2² = 202140311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202140311) 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 47 ways as a sum of consecutive naturals, for example, 135564 + ... + 137046.

It is an arithmetic number, because the mean of its divisors is an integer number (7900074).

Almost surely, 2^202140315 is an apocalyptic number.

202140315 is a deficient number, since it is larger than the sum of its proper divisors (177063237).

202140315 is a wasteful number, since it uses less digits than its factorization.

202140315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 202140315 is about 14217.6058111062. The cubic root of 202140315 is about 586.8822563724.

Adding to 202140315 its reverse (513041202), we get a palindrome (715181517).

The spelling of 202140315 in words is "two hundred two million, one hundred forty thousand, three hundred fifteen".