133451065 has 8 divisors (see below), whose sum is σ = 174699648. Its totient is φ = 97055280.

The previous prime is 133451053. The next prime is 133451077. The reversal of 133451065 is 560154331.

It is an interprime number because it is at equal distance from previous prime (133451053) and next prime (133451077).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133451065 - 2⁷ = 133450937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213137 + ... + 1213246.

It is an arithmetic number, because the mean of its divisors is an integer number (21837456).

Almost surely, 2^133451065 is an apocalyptic number.

It is an amenable number.

133451065 is a deficient number, since it is larger than the sum of its proper divisors (41248583).

133451065 is a wasteful number, since it uses less digits than its factorization.

133451065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426399.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 133451065 is about 11552.1021896450. The cubic root of 133451065 is about 511.0232755051.

The spelling of 133451065 in words is "one hundred thirty-three million, four hundred fifty-one thousand, sixty-five".