125740201313 has 4 divisors (see below), whose sum is σ = 125807769108. Its totient is φ = 125672633520.

The previous prime is 125740201309. The next prime is 125740201369. The reversal of 125740201313 is 313102047521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6295311649 + 119444889664 = 79343^2 + 345608^2 .

It is a cyclic number.

It is not a de Polignac number, because 125740201313 - 2² = 125740201309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125740201513) 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 3 ways as a sum of consecutive naturals, for example, 33781106 + ... + 33784827.

It is an arithmetic number, because the mean of its divisors is an integer number (31451942277).

Almost surely, 2^125740201313 is an apocalyptic number.

It is an amenable number.

125740201313 is a deficient number, since it is larger than the sum of its proper divisors (67567795).

125740201313 is an equidigital number, since it uses as much as digits as its factorization.

125740201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67567794.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 125740201313 its reverse (313102047521), we get a palindrome (438842248834).

The spelling of 125740201313 in words is "one hundred twenty-five billion, seven hundred forty million, two hundred one thousand, three hundred thirteen".