135657543523448 has 16 divisors (see below), whose sum is σ = 254401159698000. Its totient is φ = 67817234270656.

The previous prime is 135657543523427. The next prime is 135657543523471. The reversal of 135657543523448 is 844325345756531.

It is a happy number.

135657543523448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135657543523448² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442136413 + ... + 1442230476.

It is an arithmetic number, because the mean of its divisors is an integer number (15900072481125).

Almost surely, 2^{135657543523448} is an apocalyptic number.

It is an amenable number.

135657543523448 is a deficient number, since it is larger than the sum of its proper divisors (118743616174552).

135657543523448 is a wasteful number, since it uses less digits than its factorization.

135657543523448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884372774 (or 2884372770 counting only the distinct ones).

The product of its digits is 725760000, while the sum is 65.

The spelling of 135657543523448 in words is "one hundred thirty-five trillion, six hundred fifty-seven billion, five hundred forty-three million, five hundred twenty-three thousand, four hundred forty-eight".