213201142 has 32 divisors (see below), whose sum is σ = 402614784. Its totient is φ = 82252800.

The previous prime is 213201137. The next prime is 213201151. The reversal of 213201142 is 241102312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9142 + ... + 22582.

It is an arithmetic number, because the mean of its divisors is an integer number (12581712).

Almost surely, 2^213201142 is an apocalyptic number.

213201142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213201142 is a deficient number, since it is larger than the sum of its proper divisors (189413642).

213201142 is a wasteful number, since it uses less digits than its factorization.

213201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13564.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 213201142 is about 14601.4089046229. The cubic root of 213201142 is about 597.3971901095.

Adding to 213201142 its reverse (241102312), we get a palindrome (454303454).

The spelling of 213201142 in words is "two hundred thirteen million, two hundred one thousand, one hundred forty-two".