135297686 has 4 divisors (see below), whose sum is σ = 202946532. Its totient is φ = 67648842.

The previous prime is 135297683. The next prime is 135297697. The reversal of 135297686 is 686792531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 135297686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135297683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33824420 + ... + 33824423.

It is an arithmetic number, because the mean of its divisors is an integer number (50736633).

Almost surely, 2^135297686 is an apocalyptic number.

135297686 is a deficient number, since it is larger than the sum of its proper divisors (67648846).

135297686 is an equidigital number, since it uses as much as digits as its factorization.

135297686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67648845.

The product of its digits is 544320, while the sum is 47.

The square root of 135297686 is about 11631.7533502048. The cubic root of 135297686 is about 513.3695708194.

The spelling of 135297686 in words is "one hundred thirty-five million, two hundred ninety-seven thousand, six hundred eighty-six".