133762801 has 4 divisors (see below), whose sum is σ = 134502004. Its totient is φ = 133023600.

The previous prime is 133762789. The next prime is 133762841. The reversal of 133762801 is 108267331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108267331 = 4397 ⋅24623.

It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 110250000 = 4849^2 + 10500^2 .

It is a cyclic number.

It is not a de Polignac number, because 133762801 - 2¹⁹ = 133238513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133762841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369330 + ... + 369691.

It is an arithmetic number, because the mean of its divisors is an integer number (33625501).

Almost surely, 2^133762801 is an apocalyptic number.

It is an amenable number.

133762801 is a deficient number, since it is larger than the sum of its proper divisors (739203).

133762801 is an equidigital number, since it uses as much as digits as its factorization.

133762801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739202.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 133762801 is about 11565.5869284702. The cubic root of 133762801 is about 511.4208756037.

The spelling of 133762801 in words is "one hundred thirty-three million, seven hundred sixty-two thousand, eight hundred one".