252100135 has 8 divisors (see below), whose sum is σ = 345737376. Its totient is φ = 172868640.

The previous prime is 252100117. The next prime is 252100213. The reversal of 252100135 is 531001252.

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

It is not a de Polignac number, because 252100135 - 2⁹ = 252099623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601396 + ... + 3601465.

It is an arithmetic number, because the mean of its divisors is an integer number (43217172).

Almost surely, 2^252100135 is an apocalyptic number.

252100135 is a deficient number, since it is larger than the sum of its proper divisors (93637241).

252100135 is an equidigital number, since it uses as much as digits as its factorization.

252100135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202873.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 252100135 is about 15877.6615091770. The cubic root of 252100135 is about 631.7196112089.

Adding to 252100135 its reverse (531001252), we get a palindrome (783101387).

The spelling of 252100135 in words is "two hundred fifty-two million, one hundred thousand, one hundred thirty-five".