613220142 has 8 divisors (see below), whose sum is σ = 1226440296. Its totient is φ = 204406712.

The previous prime is 613220137. The next prime is 613220189. The reversal of 613220142 is 241022316.

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

613220142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51101673 + ... + 51101684.

It is an arithmetic number, because the mean of its divisors is an integer number (153305037).

Almost surely, 2^613220142 is an apocalyptic number.

613220142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613220142 is a wasteful number, since it uses less digits than its factorization.

613220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102203362.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 613220142 is about 24763.2821330291. The cubic root of 613220142 is about 849.5823285937.

Adding to 613220142 its reverse (241022316), we get a palindrome (854242458).

The spelling of 613220142 in words is "six hundred thirteen million, two hundred twenty thousand, one hundred forty-two".