213202142 has 8 divisors (see below), whose sum is σ = 330831000. Its totient is φ = 102925144.

The previous prime is 213202123. The next prime is 213202153. The reversal of 213202142 is 241202312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213202142.

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, 1837892 + ... + 1838007.

It is an arithmetic number, because the mean of its divisors is an integer number (41353875).

Almost surely, 2^213202142 is an apocalyptic number.

213202142 is a deficient number, since it is larger than the sum of its proper divisors (117628858).

213202142 is a wasteful number, since it uses less digits than its factorization.

213202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675930.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 213202142 is about 14601.4431478536. The cubic root of 213202142 is about 597.3981241199.

Adding to 213202142 its reverse (241202312), we get a palindrome (454404454).

The spelling of 213202142 in words is "two hundred thirteen million, two hundred two thousand, one hundred forty-two".