133980625 has 15 divisors (see below), whose sum is σ = 167784573. Its totient is φ = 106953000.

The previous prime is 133980607. The next prime is 133980659. The reversal of 133980625 is 526089331.

The square root of 133980625 is 11575.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10504081 + 123476544 = 3241^2 + 11112^2 .

It is not a de Polignac number, because 133980625 - 2¹⁵ = 133947857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 289144 + ... + 289606.

Almost surely, 2^133980625 is an apocalyptic number.

133980625 is the 11575-th square number.

133980625 is the 5788-th centered octagonal number.

It is an amenable number.

133980625 is a deficient number, since it is larger than the sum of its proper divisors (33803948).

133980625 is an frugal number, since it uses more digits than its factorization.

133980625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The cubic root of 133980625 is about 511.6983302362.

The spelling of 133980625 in words is "one hundred thirty-three million, nine hundred eighty thousand, six hundred twenty-five".