133417601 has 4 divisors (see below), whose sum is σ = 140439600. Its totient is φ = 126395604.

The previous prime is 133417579. The next prime is 133417607. The reversal of 133417601 is 106714331.

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: 106714331 = 139 ⋅767729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133417601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133417607) 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, 3510971 + ... + 3511008.

It is an arithmetic number, because the mean of its divisors is an integer number (35109900).

Almost surely, 2^133417601 is an apocalyptic number.

It is an amenable number.

133417601 is a deficient number, since it is larger than the sum of its proper divisors (7021999).

133417601 is an equidigital number, since it uses as much as digits as its factorization.

133417601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021998.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 133417601 is about 11550.6537044446. The cubic root of 133417601 is about 510.9805574434.

The spelling of 133417601 in words is "one hundred thirty-three million, four hundred seventeen thousand, six hundred one".