125840840713 has 8 divisors (see below), whose sum is σ = 143874678528. Its totient is φ = 107821146624.

The previous prime is 125840840689. The next prime is 125840840743. The reversal of 125840840713 is 317048048521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125840840713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125840840713.

It is not an unprimeable number, because it can be changed into a prime (125840840743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516856 + ... + 3552457.

It is an arithmetic number, because the mean of its divisors is an integer number (17984334816).

Almost surely, 2^125840840713 is an apocalyptic number.

It is an amenable number.

125840840713 is a deficient number, since it is larger than the sum of its proper divisors (18033837815).

125840840713 is an equidigital number, since it uses as much as digits as its factorization.

125840840713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071863.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 125840840713 in words is "one hundred twenty-five billion, eight hundred forty million, eight hundred forty thousand, seven hundred thirteen".