133206750625 has 45 divisors (see below), whose sum is σ = 180404985519. Its totient is φ = 98280468000.

The previous prime is 133206750577. The next prime is 133206750631. The reversal of 133206750625 is 526057602331.

The square root of 133206750625 is 364975.

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

It can be written as a sum of positive squares in 7 ways, for example, as 131572327441 + 1634423184 = 362729^2 + 40428^2 .

It is not a de Polignac number, because 133206750625 - 2⁷ = 133206750497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 118616314 + ... + 118617436.

Almost surely, 2^133206750625 is an apocalyptic number.

133206750625 is the 364975-th square number.

133206750625 is the 182488-th centered octagonal number.

It is an amenable number.

133206750625 is a deficient number, since it is larger than the sum of its proper divisors (47198234894).

133206750625 is an frugal number, since it uses more digits than its factorization.

133206750625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 133206750625 in words is "one hundred thirty-three billion, two hundred six million, seven hundred fifty thousand, six hundred twenty-five".