139452748 has 12 divisors (see below), whose sum is σ = 244484352. Its totient is φ = 69600080.

The previous prime is 139452743. The next prime is 139452757. The reversal of 139452748 is 847254931.

It is not an unprimeable number, because it can be changed into a prime (139452743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29068 + ... + 33523.

It is an arithmetic number, because the mean of its divisors is an integer number (20373696).

Almost surely, 2^139452748 is an apocalyptic number.

It is an amenable number.

139452748 is a deficient number, since it is larger than the sum of its proper divisors (105031604).

139452748 is a wasteful number, since it uses less digits than its factorization.

139452748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63152 (or 63150 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 139452748 is about 11809.0113049315. The cubic root of 139452748 is about 518.5719546141.

The spelling of 139452748 in words is "one hundred thirty-nine million, four hundred fifty-two thousand, seven hundred forty-eight".