135691359 has 16 divisors (see below), whose sum is σ = 185551872. Its totient is φ = 88155648.

The previous prime is 135691337. The next prime is 135691373. The reversal of 135691359 is 953196531.

It is not a de Polignac number, because 135691359 - 2¹³ = 135683167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135691359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135691459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73522 + ... + 75344.

It is an arithmetic number, because the mean of its divisors is an integer number (11596992).

Almost surely, 2^135691359 is an apocalyptic number.

135691359 is a deficient number, since it is larger than the sum of its proper divisors (49860513).

135691359 is a wasteful number, since it uses less digits than its factorization.

135691359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446.

The product of its digits is 109350, while the sum is 42.

The square root of 135691359 is about 11648.6633997210. The cubic root of 135691359 is about 513.8670024362.

The spelling of 135691359 in words is "one hundred thirty-five million, six hundred ninety-one thousand, three hundred fifty-nine".