126134435273 has 16 divisors (see below), whose sum is σ = 158127365760. Its totient is φ = 97743542400.

The previous prime is 126134435269. The next prime is 126134435299. The reversal of 126134435273 is 372534431621.

It is not a de Polignac number, because 126134435273 - 2² = 126134435269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126134435273.

It is not an unprimeable number, because it can be changed into a prime (126134435573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511228 + ... + 4539101.

It is an arithmetic number, because the mean of its divisors is an integer number (9882960360).

Almost surely, 2^126134435273 is an apocalyptic number.

It is an amenable number.

126134435273 is a deficient number, since it is larger than the sum of its proper divisors (31992930487).

126134435273 is a wasteful number, since it uses less digits than its factorization.

126134435273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9050528.

The product of its digits is 362880, while the sum is 41.

Adding to 126134435273 its reverse (372534431621), we get a palindrome (498668866894).

The spelling of 126134435273 in words is "one hundred twenty-six billion, one hundred thirty-four million, four hundred thirty-five thousand, two hundred seventy-three".