1406014920025 has 9 divisors (see below), whose sum is σ = 1743465852543. Its totient is φ = 1124807193000.

The previous prime is 1406014919887. The next prime is 1406014920047. The reversal of 1406014920025 is 5200294106041.

The square root of 1406014920025 is 1185755.

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

It can be written as a sum of positive squares in only one way, i.e., 506165371209 + 899849548816 = 711453^2 + 948604^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1406014920025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5810200 + ... + 6047350.

Almost surely, 2^{1406014920025} is an apocalyptic number.

1406014920025 is the 1185755-th square number.

1406014920025 is the 592878-th centered octagonal number.

It is an amenable number.

1406014920025 is a deficient number, since it is larger than the sum of its proper divisors (337450932518).

1406014920025 is an frugal number, since it uses more digits than its factorization.

1406014920025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474312 (or 237156 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1406014920025 in words is "one trillion, four hundred six billion, fourteen million, nine hundred twenty thousand, twenty-five".