125681397914 has 8 divisors (see below), whose sum is σ = 191177337888. Its totient is φ = 61955618620.

The previous prime is 125681397913. The next prime is 125681397949. The reversal of 125681397914 is 419793186521.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125681397914.

It is not an unprimeable number, because it can be changed into a prime (125681397911) 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, 442539992 + ... + 442540275.

It is an arithmetic number, because the mean of its divisors is an integer number (23897167236).

Almost surely, 2^125681397914 is an apocalyptic number.

125681397914 is a deficient number, since it is larger than the sum of its proper divisors (65495939974).

125681397914 is an equidigital number, since it uses as much as digits as its factorization.

125681397914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885080340.

The product of its digits is 3265920, while the sum is 56.

The spelling of 125681397914 in words is "one hundred twenty-five billion, six hundred eighty-one million, three hundred ninety-seven thousand, nine hundred fourteen".