135755702723 has 4 divisors (see below), whose sum is σ = 136146929880. Its totient is φ = 135364475568.

The previous prime is 135755702701. The next prime is 135755702759. The reversal of 135755702723 is 327207557531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327207557531 = 31 ⋅10555082501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135755702723 is a prime.

It is a super-2 number, since 2×135755702723² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135755702323) 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, 195613058 + ... + 195613751.

It is an arithmetic number, because the mean of its divisors is an integer number (34036732470).

Almost surely, 2^135755702723 is an apocalyptic number.

135755702723 is a deficient number, since it is larger than the sum of its proper divisors (391227157).

135755702723 is an equidigital number, since it uses as much as digits as its factorization.

135755702723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391227156.

The product of its (nonzero) digits is 1543500, while the sum is 47.

The spelling of 135755702723 in words is "one hundred thirty-five billion, seven hundred fifty-five million, seven hundred two thousand, seven hundred twenty-three".