133125965 has 8 divisors (see below), whose sum is σ = 182572800. Its totient is φ = 91286352.

The previous prime is 133125961. The next prime is 133125991. The reversal of 133125965 is 569521331.

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

It is a cyclic number.

It is not a de Polignac number, because 133125965 - 2² = 133125961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 3803599 = 133125965 / (1 + 3 + 3 + 1 + 2 + 5 + 9 + 6 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133125961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901765 + ... + 1901834.

It is an arithmetic number, because the mean of its divisors is an integer number (22821600).

Almost surely, 2^133125965 is an apocalyptic number.

It is an amenable number.

133125965 is a deficient number, since it is larger than the sum of its proper divisors (49446835).

133125965 is an equidigital number, since it uses as much as digits as its factorization.

133125965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803611.

The product of its digits is 24300, while the sum is 35.

The square root of 133125965 is about 11538.0225775477. The cubic root of 133125965 is about 510.6079703250.

The spelling of 133125965 in words is "one hundred thirty-three million, one hundred twenty-five thousand, nine hundred sixty-five".