214320142 has 8 divisors (see below), whose sum is σ = 324794736. Its totient is φ = 106055232.

The previous prime is 214320137. The next prime is 214320149. The reversal of 214320142 is 241023412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214320149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552178 + ... + 552565.

It is an arithmetic number, because the mean of its divisors is an integer number (40599342).

Almost surely, 2^214320142 is an apocalyptic number.

214320142 is a deficient number, since it is larger than the sum of its proper divisors (110474594).

214320142 is a wasteful number, since it uses less digits than its factorization.

214320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104842.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 214320142 is about 14639.6769773107. The cubic root of 214320142 is about 598.4405261732.

Adding to 214320142 its reverse (241023412), we get a palindrome (455343554).

It can be divided in two parts, 214 and 320142, that added together give a square (320356 = 566²).

The spelling of 214320142 in words is "two hundred fourteen million, three hundred twenty thousand, one hundred forty-two".