213401135 has 8 divisors (see below), whose sum is σ = 256175136. Its totient is φ = 170658400.

The previous prime is 213401129. The next prime is 213401137. The reversal of 213401135 is 531104312.

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

It is not a de Polignac number, because 213401135 - 2²⁴ = 196623919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213401137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11585 + ... + 23685.

It is an arithmetic number, because the mean of its divisors is an integer number (32021892).

Almost surely, 2^213401135 is an apocalyptic number.

213401135 is a deficient number, since it is larger than the sum of its proper divisors (42774001).

213401135 is a wasteful number, since it uses less digits than its factorization.

213401135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 213401135 is about 14608.2557138079. The cubic root of 213401135 is about 597.5839275674.

Adding to 213401135 its reverse (531104312), we get a palindrome (744505447).

The spelling of 213401135 in words is "two hundred thirteen million, four hundred one thousand, one hundred thirty-five".