139049024 has 14 divisors (see below), whose sum is σ = 275925534. Its totient is φ = 69524480.

The previous prime is 139049021. The next prime is 139049063. The reversal of 139049024 is 420940931.

It is a happy number.

139049024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 107329600 + 31719424 = 10360^2 + 5632^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (139049021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086257 + ... + 1086384.

Almost surely, 2^139049024 is an apocalyptic number.

It is an amenable number.

139049024 is a deficient number, since it is larger than the sum of its proper divisors (136876510).

139049024 is an equidigital number, since it uses as much as digits as its factorization.

139049024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172653 (or 2172643 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 139049024 is about 11791.9050199703. The cubic root of 139049024 is about 518.0710386913.

Adding to 139049024 its reverse (420940931), we get a palindrome (559989955).

The spelling of 139049024 in words is "one hundred thirty-nine million, forty-nine thousand, twenty-four".