213538142 has 8 divisors (see below), whose sum is σ = 320417856. Its totient is φ = 106732192.

The previous prime is 213538133. The next prime is 213538159. The reversal of 213538142 is 241835312.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10523 + ... + 23190.

It is an arithmetic number, because the mean of its divisors is an integer number (40052232).

Almost surely, 2^213538142 is an apocalyptic number.

213538142 is a deficient number, since it is larger than the sum of its proper divisors (106879714).

213538142 is a wasteful number, since it uses less digits than its factorization.

213538142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36882.

The product of its digits is 5760, while the sum is 29.

The square root of 213538142 is about 14612.9443302847. The cubic root of 213538142 is about 597.7117864096.

The spelling of 213538142 in words is "two hundred thirteen million, five hundred thirty-eight thousand, one hundred forty-two".