126381382570 has 16 divisors (see below), whose sum is σ = 227664652968. Its totient is φ = 50512960960.

The previous prime is 126381382559. The next prime is 126381382571. The reversal of 126381382570 is 75283183621.

It can be written as a sum of positive squares in 4 ways, for example, as 97239819889 + 29141562681 = 311833^2 + 170709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126381382570.

It is not an unprimeable number, because it can be changed into a prime (126381382571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4935601 + ... + 4961140.

Almost surely, 2^126381382570 is an apocalyptic number.

126381382570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126381382570 is a deficient number, since it is larger than the sum of its proper divisors (101283270398).

126381382570 is a wasteful number, since it uses less digits than its factorization.

126381382570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9898025.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 126381382570 in words is "one hundred twenty-six billion, three hundred eighty-one million, three hundred eighty-two thousand, five hundred seventy".