135620744450743 has 4 divisors (see below), whose sum is σ = 135621222620688. Its totient is φ = 135620266280800.

The previous prime is 135620744450699. The next prime is 135620744450767. The reversal of 135620744450743 is 347054447026531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135620744450743 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 (135620744453743) 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, 238659283 + ... + 239226868.

It is an arithmetic number, because the mean of its divisors is an integer number (33905305655172).

Almost surely, 2^{135620744450743} is an apocalyptic number.

135620744450743 is a deficient number, since it is larger than the sum of its proper divisors (478169945).

135620744450743 is an equidigital number, since it uses as much as digits as its factorization.

135620744450743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478169944.

The product of its (nonzero) digits is 33868800, while the sum is 55.

The spelling of 135620744450743 in words is "one hundred thirty-five trillion, six hundred twenty billion, seven hundred forty-four million, four hundred fifty thousand, seven hundred forty-three".