213253504135 has 8 divisors (see below), whose sum is σ = 292461948576. Its totient is φ = 146230974240.

The previous prime is 213253504129. The next prime is 213253504159. The reversal of 213253504135 is 531405352312.

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

It is not a de Polignac number, because 213253504135 - 2⁹ = 213253503623 is a prime.

It is a super-3 number, since 3×213253504135³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213253504135.

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, 3046478596 + ... + 3046478665.

It is an arithmetic number, because the mean of its divisors is an integer number (36557743572).

Almost surely, 2^213253504135 is an apocalyptic number.

213253504135 is a deficient number, since it is larger than the sum of its proper divisors (79208444441).

213253504135 is an equidigital number, since it uses as much as digits as its factorization.

213253504135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092957273.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 213253504135 its reverse (531405352312), we get a palindrome (744658856447).

The spelling of 213253504135 in words is "two hundred thirteen billion, two hundred fifty-three million, five hundred four thousand, one hundred thirty-five".