68141538 has 12 divisors (see below), whose sum is σ = 147640038. Its totient is φ = 22713840.

The previous prime is 68141537. The next prime is 68141539. The reversal of 68141538 is 83514186.

68141538 is a `hidden beast` number, since 6 + 81 + 41 + 538 = 666.

It is an interprime number because it is at equal distance from previous prime (68141537) and next prime (68141539).

It can be written as a sum of positive squares in only one way, i.e., 53187849 + 14953689 = 7293^2 + 3867^2 .

It is not an unprimeable number, because it can be changed into a prime (68141537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1892803 + ... + 1892838.

Almost surely, 2^68141538 is an apocalyptic number.

68141538 is an abundant number, since it is smaller than the sum of its proper divisors (79498500).

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

68141538 is a wasteful number, since it uses less digits than its factorization.

68141538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785649 (or 3785646 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 68141538 is about 8254.7887919680. The cubic root of 68141538 is about 408.4485047702.

The spelling of 68141538 in words is "sixty-eight million, one hundred forty-one thousand, five hundred thirty-eight".