126339748629 has 4 divisors (see below), whose sum is σ = 168452998176. Its totient is φ = 84226499084.

The previous prime is 126339748597. The next prime is 126339748643. The reversal of 126339748629 is 926847933621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126339748629 - 2⁵ = 126339748597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126339746629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21056624769 + ... + 21056624774.

It is an arithmetic number, because the mean of its divisors is an integer number (42113249544).

Almost surely, 2^126339748629 is an apocalyptic number.

It is an amenable number.

126339748629 is a deficient number, since it is larger than the sum of its proper divisors (42113249547).

126339748629 is an equidigital number, since it uses as much as digits as its factorization.

126339748629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42113249546.

The product of its digits is 23514624, while the sum is 60.

The spelling of 126339748629 in words is "one hundred twenty-six billion, three hundred thirty-nine million, seven hundred forty-eight thousand, six hundred twenty-nine".