126339346337399 has 24 divisors (see below), whose sum is σ = 136957526706240. Its totient is φ = 116491248711552.

The previous prime is 126339346337359. The next prime is 126339346337417. The reversal of 126339346337399 is 993733643933621.

It is not a de Polignac number, because 126339346337399 - 2¹⁶ = 126339346271863 is a prime.

It is a super-2 number, since 2×126339346337399² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126339346337339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708794402 + ... + 708972624.

It is an arithmetic number, because the mean of its divisors is an integer number (5706563612760).

Almost surely, 2^{126339346337399} is an apocalyptic number.

126339346337399 is a deficient number, since it is larger than the sum of its proper divisors (10618180368841).

126339346337399 is a wasteful number, since it uses less digits than its factorization.

126339346337399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182891 (or 182878 counting only the distinct ones).

The product of its digits is 1071385056, while the sum is 71.

The spelling of 126339346337399 in words is "one hundred twenty-six trillion, three hundred thirty-nine billion, three hundred forty-six million, three hundred thirty-seven thousand, three hundred ninety-nine".