133524887 has 4 divisors (see below), whose sum is σ = 133748400. Its totient is φ = 133301376.

The previous prime is 133524877. The next prime is 133524893. The reversal of 133524887 is 788425331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788425331 = 73 ⋅10800347.

It is a cyclic number.

It is not a de Polignac number, because 133524887 - 2¹⁶ = 133459351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133524877) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 110858 + ... + 112055.

It is an arithmetic number, because the mean of its divisors is an integer number (33437100).

Almost surely, 2^133524887 is an apocalyptic number.

133524887 is a deficient number, since it is larger than the sum of its proper divisors (223513).

133524887 is an equidigital number, since it uses as much as digits as its factorization.

133524887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223512.

The product of its digits is 161280, while the sum is 41.

The square root of 133524887 is about 11555.2969239219. The cubic root of 133524887 is about 511.1174868332.

The spelling of 133524887 in words is "one hundred thirty-three million, five hundred twenty-four thousand, eight hundred eighty-seven".