133020601 has 4 divisors (see below), whose sum is σ = 152023552. Its totient is φ = 114017652.

The previous prime is 133020599. The next prime is 133020607. The reversal of 133020601 is 106020331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106020331 = 67 ⋅1582393.

It is not a de Polignac number, because 133020601 - 2¹ = 133020599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133020607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9501465 + ... + 9501478.

It is an arithmetic number, because the mean of its divisors is an integer number (38005888).

Almost surely, 2^133020601 is an apocalyptic number.

It is an amenable number.

133020601 is a deficient number, since it is larger than the sum of its proper divisors (19002951).

133020601 is an equidigital number, since it uses as much as digits as its factorization.

133020601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19002950.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133020601 is about 11533.4557267109. The cubic root of 133020601 is about 510.4732260175.

Adding to 133020601 its reverse (106020331), we get a palindrome (239040932).

The spelling of 133020601 in words is "one hundred thirty-three million, twenty thousand, six hundred one".