126133645 has 16 divisors (see below), whose sum is σ = 165359232. Its totient is φ = 91600960.

The previous prime is 126133627. The next prime is 126133717. The reversal of 126133645 is 546331621.

It is not a de Polignac number, because 126133645 - 2⁷ = 126133517 is a prime.

It is a super-3 number, since 3×126133645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52899 + ... + 55231.

It is an arithmetic number, because the mean of its divisors is an integer number (10334952).

Almost surely, 2^126133645 is an apocalyptic number.

It is an amenable number.

126133645 is a deficient number, since it is larger than the sum of its proper divisors (39225587).

126133645 is a wasteful number, since it uses less digits than its factorization.

126133645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332.

The product of its digits is 12960, while the sum is 31.

The square root of 126133645 is about 11230.9236040497. The cubic root of 126133645 is about 501.5069801254.

The spelling of 126133645 in words is "one hundred twenty-six million, one hundred thirty-three thousand, six hundred forty-five".