126302643533 has 8 divisors (see below), whose sum is σ = 138333648096. Its totient is φ = 114363130000.

The previous prime is 126302643499. The next prime is 126302643547. The reversal of 126302643533 is 335346203621.

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

It is not a de Polignac number, because 126302643533 - 2¹⁸ = 126302381389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126302643553) 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, 22869866 + ... + 22875387.

It is an arithmetic number, because the mean of its divisors is an integer number (17291706012).

Almost surely, 2^126302643533 is an apocalyptic number.

It is an amenable number.

126302643533 is a deficient number, since it is larger than the sum of its proper divisors (12031004563).

126302643533 is a wasteful number, since it uses less digits than its factorization.

126302643533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45745515.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 126302643533 in words is "one hundred twenty-six billion, three hundred two million, six hundred forty-three thousand, five hundred thirty-three".