126541138029 has 16 divisors (see below), whose sum is σ = 169837379712. Its totient is φ = 83804502528.

The previous prime is 126541138027. The next prime is 126541138039. The reversal of 126541138029 is 920831145621.

It is not a de Polignac number, because 126541138029 - 2¹ = 126541138027 is a prime.

It is a super-2 number, since 2×126541138029² (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 (126541138021) 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, 93624 + ... + 511710.

It is an arithmetic number, because the mean of its divisors is an integer number (10614836232).

Almost surely, 2^126541138029 is an apocalyptic number.

It is an amenable number.

126541138029 is a deficient number, since it is larger than the sum of its proper divisors (43296241683).

126541138029 is a wasteful number, since it uses less digits than its factorization.

126541138029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418756.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 126541138029 in words is "one hundred twenty-six billion, five hundred forty-one million, one hundred thirty-eight thousand, twenty-nine".