135725743 has 8 divisors (see below), whose sum is σ = 137088000. Its totient is φ = 134370360.

The previous prime is 135725729. The next prime is 135725747. The reversal of 135725743 is 347527531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135725743 - 2²¹ = 133628591 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 (135725747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43758 + ... + 46756.

It is an arithmetic number, because the mean of its divisors is an integer number (17136000).

Almost surely, 2^135725743 is an apocalyptic number.

135725743 is a deficient number, since it is larger than the sum of its proper divisors (1362257).

135725743 is a wasteful number, since it uses less digits than its factorization.

135725743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its digits is 88200, while the sum is 37.

The square root of 135725743 is about 11650.1391837179. The cubic root of 135725743 is about 513.9104031630.

The spelling of 135725743 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, seven hundred forty-three".