139754768 has 20 divisors (see below), whose sum is σ = 271002000. Its totient is φ = 69818784.

The previous prime is 139754753. The next prime is 139754779. The reversal of 139754768 is 867457931.

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, 21071 + ... + 26897.

It is an arithmetic number, because the mean of its divisors is an integer number (13550100).

Almost surely, 2^139754768 is an apocalyptic number.

It is an amenable number.

139754768 is a deficient number, since it is larger than the sum of its proper divisors (131247232).

139754768 is a wasteful number, since it uses less digits than its factorization.

139754768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334 (or 7328 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 139754768 is about 11821.7920807296. The cubic root of 139754768 is about 518.9460506761.

It can be divided in two parts, 1397 and 54768, that added together give a palindrome (56165).

The spelling of 139754768 in words is "one hundred thirty-nine million, seven hundred fifty-four thousand, seven hundred sixty-eight".