135557763703 has 4 divisors (see below), whose sum is σ = 135561886200. Its totient is φ = 135553641208.

The previous prime is 135557763643. The next prime is 135557763721. The reversal of 135557763703 is 307367755531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307367755531 = 401 ⋅766503131.

It is a cyclic number.

It is not a de Polignac number, because 135557763703 - 2⁹ = 135557763191 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 (135557763773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011525 + ... + 2077822.

It is an arithmetic number, because the mean of its divisors is an integer number (33890471550).

Almost surely, 2^135557763703 is an apocalyptic number.

135557763703 is a deficient number, since it is larger than the sum of its proper divisors (4122497).

135557763703 is an equidigital number, since it uses as much as digits as its factorization.

135557763703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122496.

The product of its (nonzero) digits is 6945750, while the sum is 52.

The spelling of 135557763703 in words is "one hundred thirty-five billion, five hundred fifty-seven million, seven hundred sixty-three thousand, seven hundred three".