135343203557 has 8 divisors (see below), whose sum is σ = 142854729600. Its totient is φ = 127870497504.

The previous prime is 135343203539. The next prime is 135343203587. The reversal of 135343203557 is 755302343531.

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

It is a cyclic number.

It is not a de Polignac number, because 135343203557 - 2¹⁸ = 135342941413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135343203587) 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 7 ways as a sum of consecutive naturals, for example, 9697832 + ... + 9711777.

It is an arithmetic number, because the mean of its divisors is an integer number (17856841200).

Almost surely, 2^135343203557 is an apocalyptic number.

It is an amenable number.

135343203557 is a deficient number, since it is larger than the sum of its proper divisors (7511526043).

135343203557 is a wasteful number, since it uses less digits than its factorization.

135343203557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19409995.

The product of its (nonzero) digits is 567000, while the sum is 41.

The spelling of 135343203557 in words is "one hundred thirty-five billion, three hundred forty-three million, two hundred three thousand, five hundred fifty-seven".