135740671 has 4 divisors (see below), whose sum is σ = 148080744. Its totient is φ = 123400600.

The previous prime is 135740669. The next prime is 135740681. The reversal of 135740671 is 176047531.

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 135740671 - 2¹ = 135740669 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 (135740611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6170020 + ... + 6170041.

It is an arithmetic number, because the mean of its divisors is an integer number (37020186).

Almost surely, 2^135740671 is an apocalyptic number.

135740671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135740671 is a deficient number, since it is larger than the sum of its proper divisors (12340073).

135740671 is a wasteful number, since it uses less digits than its factorization.

135740671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340072.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 135740671 is about 11650.7798451434. The cubic root of 135740671 is about 513.9292435419.

The spelling of 135740671 in words is "one hundred thirty-five million, seven hundred forty thousand, six hundred seventy-one".