1439076148225 has 27 divisors (see below), whose sum is σ = 1807923678057. Its totient is φ = 1136313715680.

The previous prime is 1439076148217. The next prime is 1439076148273. The reversal of 1439076148225 is 5228416709341.

The square root of 1439076148225 is 1199615.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 82373018049 + 1356703130176 = 287007^2 + 1164776^2 .

It is not a de Polignac number, because 1439076148225 - 2³ = 1439076148217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 473846407 + ... + 473849443.

It is a 1-persistent number, because it is pandigital, but 2⋅1439076148225 = 2878152296450 is not.

Almost surely, 2^{1439076148225} is an apocalyptic number.

1439076148225 is the 1199615-th square number.

1439076148225 is the 599808-th centered octagonal number.

It is an amenable number.

1439076148225 is a deficient number, since it is larger than the sum of its proper divisors (368847529832).

1439076148225 is an frugal number, since it uses more digits than its factorization.

1439076148225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 1439076148225 in words is "one trillion, four hundred thirty-nine billion, seventy-six million, one hundred forty-eight thousand, two hundred twenty-five".