135597751603 has 2 divisors, whose sum is σ = 135597751604. Its totient is φ = 135597751602.

The previous prime is 135597751571. The next prime is 135597751699. The reversal of 135597751603 is 306157795531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135597751603 - 2⁵ = 135597751571 is a prime.

It is not a weakly prime, because it can be changed into another prime (135597791603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67798875801 + 67798875802.

It is an arithmetic number, because the mean of its divisors is an integer number (67798875802).

Almost surely, 2^135597751603 is an apocalyptic number.

135597751603 is a deficient number, since it is larger than the sum of its proper divisors (1).

135597751603 is an equidigital number, since it uses as much as digits as its factorization.

135597751603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2976750, while the sum is 52.

The spelling of 135597751603 in words is "one hundred thirty-five billion, five hundred ninety-seven million, seven hundred fifty-one thousand, six hundred three".