135755671 has 4 divisors (see below), whose sum is σ = 137155312. Its totient is φ = 134356032.

The previous prime is 135755617. The next prime is 135755677. The reversal of 135755671 is 176557531.

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

It is a cyclic number.

It is not a de Polignac number, because 135755671 - 2⁹ = 135755159 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 (135755677) 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, 699675 + ... + 699868.

It is an arithmetic number, because the mean of its divisors is an integer number (34288828).

Almost surely, 2^135755671 is an apocalyptic number.

135755671 is a deficient number, since it is larger than the sum of its proper divisors (1399641).

135755671 is an equidigital number, since it uses as much as digits as its factorization.

135755671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399640.

The product of its digits is 110250, while the sum is 40.

The square root of 135755671 is about 11651.4235610933. The cubic root of 135755671 is about 513.9481733995.

The spelling of 135755671 in words is "one hundred thirty-five million, seven hundred fifty-five thousand, six hundred seventy-one".