68213142 has 36 divisors (see below), whose sum is σ = 149640036. Its totient is φ = 22457160.

The previous prime is 68213111. The next prime is 68213143. The reversal of 68213142 is 24131286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213143) 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 17 ways as a sum of consecutive naturals, for example, 205917 + ... + 206247.

Almost surely, 2^68213142 is an apocalyptic number.

68213142 is an abundant number, since it is smaller than the sum of its proper divisors (81426894).

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

68213142 is a wasteful number, since it uses less digits than its factorization.

68213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 443 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 68213142 is about 8259.1247720324. The cubic root of 68213142 is about 408.5915223253.

It can be divided in two parts, 682 and 13142, that added together give a cube (13824 = 24³).

The spelling of 68213142 in words is "sixty-eight million, two hundred thirteen thousand, one hundred forty-two".