126633068537 has 8 divisors (see below), whose sum is σ = 128376184200. Its totient is φ = 124890180480.

The previous prime is 126633068531. The next prime is 126633068567. The reversal of 126633068537 is 735860336621.

It can be written as a sum of positive squares in 4 ways, for example, as 49595735401 + 77037333136 = 222701^2 + 277556^2 .

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 126633068537 - 2⁸ = 126633068281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126633068531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277087 + ... + 1372667.

It is an arithmetic number, because the mean of its divisors is an integer number (16047023025).

Almost surely, 2^126633068537 is an apocalyptic number.

It is an amenable number.

126633068537 is a deficient number, since it is larger than the sum of its proper divisors (1743115663).

126633068537 is an equidigital number, since it uses as much as digits as its factorization.

126633068537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113803.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 126633068537 in words is "one hundred twenty-six billion, six hundred thirty-three million, sixty-eight thousand, five hundred thirty-seven".