139354448 has 10 divisors (see below), whose sum is σ = 269999274. Its totient is φ = 69677216.

The previous prime is 139354409. The next prime is 139354489. The reversal of 139354448 is 844453931.

139354448 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., 138485824 + 868624 = 11768^2 + 932^2 .

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4354811 + ... + 4354842.

Almost surely, 2^139354448 is an apocalyptic number.

It is an amenable number.

139354448 is a deficient number, since it is larger than the sum of its proper divisors (130644826).

139354448 is an equidigital number, since it uses as much as digits as its factorization.

139354448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709661 (or 8709655 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 139354448 is about 11804.8484954276. The cubic root of 139354448 is about 518.4500791495.

The spelling of 139354448 in words is "one hundred thirty-nine million, three hundred fifty-four thousand, four hundred forty-eight".