126403705039 has 16 divisors (see below), whose sum is σ = 134301568000. Its totient is φ = 118635057216.

The previous prime is 126403705033. The next prime is 126403705069. The reversal of 126403705039 is 930507304621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126403705039 - 2³ = 126403705031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126403704992 and 126403705010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126403705031) 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, 904162 + ... + 1034560.

It is an arithmetic number, because the mean of its divisors is an integer number (8393848000).

Almost surely, 2^126403705039 is an apocalyptic number.

126403705039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

126403705039 is a deficient number, since it is larger than the sum of its proper divisors (7897862961).

126403705039 is a wasteful number, since it uses less digits than its factorization.

126403705039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130894.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 126403705039 in words is "one hundred twenty-six billion, four hundred three million, seven hundred five thousand, thirty-nine".