213140501 has 8 divisors (see below), whose sum is σ = 244683264. Its totient is φ = 181871280.

The previous prime is 213140497. The next prime is 213140503. The reversal of 213140501 is 105041312.

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

It is a cyclic number.

It is not a de Polignac number, because 213140501 - 2² = 213140497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213140501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213140503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66710 + ... + 69831.

It is an arithmetic number, because the mean of its divisors is an integer number (30585408).

Almost surely, 2^213140501 is an apocalyptic number.

It is an amenable number.

213140501 is a deficient number, since it is larger than the sum of its proper divisors (31542763).

213140501 is a wasteful number, since it uses less digits than its factorization.

213140501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136771.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 213140501 is about 14599.3322107554. The cubic root of 213140501 is about 597.3405453250.

Adding to 213140501 its reverse (105041312), we get a palindrome (318181813).

The spelling of 213140501 in words is "two hundred thirteen million, one hundred forty thousand, five hundred one".