133465001 has 4 divisors (see below), whose sum is σ = 133519104. Its totient is φ = 133410900.

The previous prime is 133464997. The next prime is 133465037. The reversal of 133465001 is 100564331.

It is a happy number.

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: 100564331 = 7 ⋅14366333.

It is a cyclic number.

It is not a de Polignac number, because 133465001 - 2² = 133464997 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 (133465051) 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, 23165 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (33379776).

Almost surely, 2^133465001 is an apocalyptic number.

It is an amenable number.

133465001 is a deficient number, since it is larger than the sum of its proper divisors (54103).

133465001 is an equidigital number, since it uses as much as digits as its factorization.

133465001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54102.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 133465001 is about 11552.7053541584. The cubic root of 133465001 is about 511.0410632299.

The spelling of 133465001 in words is "one hundred thirty-three million, four hundred sixty-five thousand, one".