213859135 has 8 divisors (see below), whose sum is σ = 293292576. Its totient is φ = 146646240.

The previous prime is 213859127. The next prime is 213859141. The reversal of 213859135 is 531958312.

It is a happy number.

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

It is not a de Polignac number, because 213859135 - 2³ = 213859127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213859094 and 213859103.

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, 3055096 + ... + 3055165.

It is an arithmetic number, because the mean of its divisors is an integer number (36661572).

Almost surely, 2^213859135 is an apocalyptic number.

213859135 is a deficient number, since it is larger than the sum of its proper divisors (79433441).

213859135 is an equidigital number, since it uses as much as digits as its factorization.

213859135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110273.

The product of its digits is 32400, while the sum is 37.

The square root of 213859135 is about 14623.9233791756. The cubic root of 213859135 is about 598.0111322186.

The spelling of 213859135 in words is "two hundred thirteen million, eight hundred fifty-nine thousand, one hundred thirty-five".