68138514 has 24 divisors (see below), whose sum is σ = 147992832. Its totient is φ = 22657560.

The previous prime is 68138509. The next prime is 68138561. The reversal of 68138514 is 41583186.

68138514 is a `hidden beast` number, since 6 + 8 + 138 + 514 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3367 + ... + 12149.

It is an arithmetic number, because the mean of its divisors is an integer number (6166368).

Almost surely, 2^68138514 is an apocalyptic number.

68138514 is an abundant number, since it is smaller than the sum of its proper divisors (79854318).

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

68138514 is a wasteful number, since it uses less digits than its factorization.

68138514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9222 (or 9219 counting only the distinct ones).

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

The square root of 68138514 is about 8254.6056235292. The cubic root of 68138514 is about 408.4424626086.

The spelling of 68138514 in words is "sixty-eight million, one hundred thirty-eight thousand, five hundred fourteen".