133265153 has 12 divisors (see below), whose sum is σ = 156071700. Its totient is φ = 113454432.

The previous prime is 133265147. The next prime is 133265173. The reversal of 133265153 is 351562331.

It can be written as a sum of positive squares in 2 ways, for example, as 5303809 + 127961344 = 2303^2 + 11312^2 .

It is not a de Polignac number, because 133265153 - 2⁴ = 133265137 is a prime.

It is a super-2 number, since 2×133265153² = 35519202008226818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133265173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1826 + ... + 16427.

It is an arithmetic number, because the mean of its divisors is an integer number (13005975).

Almost surely, 2^133265153 is an apocalyptic number.

It is an amenable number.

133265153 is a deficient number, since it is larger than the sum of its proper divisors (22806547).

133265153 is a wasteful number, since it uses less digits than its factorization.

133265153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416 (or 18409 counting only the distinct ones).

The product of its digits is 8100, while the sum is 29.

The square root of 133265153 is about 11544.0527112449. The cubic root of 133265153 is about 510.7858613613.

The spelling of 133265153 in words is "one hundred thirty-three million, two hundred sixty-five thousand, one hundred fifty-three".