126434401343444 has 6 divisors (see below), whose sum is σ = 221260202351034. Its totient is φ = 63217200671720.

The previous prime is 126434401343413. The next prime is 126434401343447. The reversal of 126434401343444 is 444343104434621.

It can be written as a sum of positive squares in only one way, i.e., 94645891446544 + 31788509896900 = 9728612^2 + 5638130^2 .

It is a super-2 number, since 2×126434401343444² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126434401343447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15804300167927 + ... + 15804300167934.

It is an arithmetic number, because the mean of its divisors is an integer number (36876700391839).

Almost surely, 2^{126434401343444} is an apocalyptic number.

It is an amenable number.

126434401343444 is a deficient number, since it is larger than the sum of its proper divisors (94825801007590).

126434401343444 is a wasteful number, since it uses less digits than its factorization.

126434401343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31608600335865 (or 31608600335863 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 47.

The spelling of 126434401343444 in words is "one hundred twenty-six trillion, four hundred thirty-four billion, four hundred one million, three hundred forty-three thousand, four hundred forty-four".