126199348839 has 16 divisors (see below), whose sum is σ = 187367574240. Its totient is φ = 83950390080.

The previous prime is 126199348837. The next prime is 126199348841. The reversal of 126199348839 is 938843991621.

126199348839 is a `hidden beast` number, since 1 + 2 + 61 + 9 + 93 + 488 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (126199348837) and next prime (126199348841).

It is not a de Polignac number, because 126199348839 - 2¹ = 126199348837 is a prime.

It is a super-2 number, since 2×126199348839² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126199348831) 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 15 ways as a sum of consecutive naturals, for example, 5057022 + ... + 5081915.

It is an arithmetic number, because the mean of its divisors is an integer number (11710473390).

Almost surely, 2^126199348839 is an apocalyptic number.

126199348839 is a deficient number, since it is larger than the sum of its proper divisors (61168225401).

126199348839 is a wasteful number, since it uses less digits than its factorization.

126199348839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10139407 (or 10139401 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 126199348839 in words is "one hundred twenty-six billion, one hundred ninety-nine million, three hundred forty-eight thousand, eight hundred thirty-nine".