126351613 has 2 divisors, whose sum is σ = 126351614. Its totient is φ = 126351612.

The previous prime is 126351607. The next prime is 126351619. The reversal of 126351613 is 316153621.

It is a balanced prime because it is at equal distance from previous prime (126351607) and next prime (126351619).

It can be written as a sum of positive squares in only one way, i.e., 85045284 + 41306329 = 9222^2 + 6427^2 .

It is a cyclic number.

It is not a de Polignac number, because 126351613 - 2¹⁷ = 126220541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126351619) 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 as a sum of consecutive naturals, namely, 63175806 + 63175807.

It is an arithmetic number, because the mean of its divisors is an integer number (63175807).

Almost surely, 2^126351613 is an apocalyptic number.

It is an amenable number.

126351613 is a deficient number, since it is larger than the sum of its proper divisors (1).

126351613 is an equidigital number, since it uses as much as digits as its factorization.

126351613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 126351613 is about 11240.6233368083. The cubic root of 126351613 is about 501.7956939131.

The spelling of 126351613 in words is "one hundred twenty-six million, three hundred fifty-one thousand, six hundred thirteen".