135620748106645 has 32 divisors (see below), whose sum is σ = 163662492188160. Its totient is φ = 107885834280000.

The previous prime is 135620748106589. The next prime is 135620748106667. The reversal of 135620748106645 is 546601847026531.

It is not a de Polignac number, because 135620748106645 - 2⁹ = 135620748106133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135620748106645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6150310870 + ... + 6150332920.

It is an arithmetic number, because the mean of its divisors is an integer number (5114452880880).

Almost surely, 2^{135620748106645} is an apocalyptic number.

It is an amenable number.

135620748106645 is a deficient number, since it is larger than the sum of its proper divisors (28041744081515).

135620748106645 is a wasteful number, since it uses less digits than its factorization.

135620748106645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27217.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 135620748106645 in words is "one hundred thirty-five trillion, six hundred twenty billion, seven hundred forty-eight million, one hundred six thousand, six hundred forty-five".