213254135 has 8 divisors (see below), whose sum is σ = 256013136. Its totient is φ = 170531200.

The previous prime is 213254123. The next prime is 213254179. The reversal of 213254135 is 531452312.

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 213254135 - 2¹⁰ = 213253111 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, 6392 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (32001642).

Almost surely, 2^213254135 is an apocalyptic number.

213254135 is a deficient number, since it is larger than the sum of its proper divisors (42759001).

213254135 is a wasteful number, since it uses less digits than its factorization.

213254135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033.

The product of its digits is 3600, while the sum is 26.

The square root of 213254135 is about 14603.2234455274. The cubic root of 213254135 is about 597.4466821000.

The spelling of 213254135 in words is "two hundred thirteen million, two hundred fifty-four thousand, one hundred thirty-five".