403216142 has 8 divisors (see below), whose sum is σ = 691227696. Its totient is φ = 172806912.

The previous prime is 403216129. The next prime is 403216169. The reversal of 403216142 is 241612304.

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 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, 14400563 + ... + 14400590.

It is an arithmetic number, because the mean of its divisors is an integer number (86403462).

Almost surely, 2^403216142 is an apocalyptic number.

403216142 is a deficient number, since it is larger than the sum of its proper divisors (288011554).

403216142 is a wasteful number, since it uses less digits than its factorization.

403216142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28801162.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 403216142 is about 20080.2425782160. The cubic root of 403216142 is about 738.7757588101.

Adding to 403216142 its reverse (241612304), we get a palindrome (644828446).

The spelling of 403216142 in words is "four hundred three million, two hundred sixteen thousand, one hundred forty-two".