133678525 has 12 divisors (see below), whose sum is σ = 166144500. Its totient is φ = 106695680.

The previous prime is 133678499. The next prime is 133678537. The reversal of 133678525 is 525876331.

It can be written as a sum of positive squares in 6 ways, for example, as 3786916 + 129891609 = 1946^2 + 11397^2 .

It is not a de Polignac number, because 133678525 - 2¹³ = 133670333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5271 + ... + 17179.

It is an arithmetic number, because the mean of its divisors is an integer number (13845375).

Almost surely, 2^133678525 is an apocalyptic number.

It is an amenable number.

133678525 is a deficient number, since it is larger than the sum of its proper divisors (32465975).

133678525 is a wasteful number, since it uses less digits than its factorization.

133678525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12368 (or 12363 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 133678525 is about 11561.9429595549. The cubic root of 133678525 is about 511.3134477283.

The spelling of 133678525 in words is "one hundred thirty-three million, six hundred seventy-eight thousand, five hundred twenty-five".