135367197805 has 16 divisors (see below), whose sum is σ = 186331497984. Its totient is φ = 92480693760.

The previous prime is 135367197787. The next prime is 135367197857. The reversal of 135367197805 is 508791763531.

It is not a de Polignac number, because 135367197805 - 2²¹ = 135365100653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7126372 + ... + 7145341.

It is an arithmetic number, because the mean of its divisors is an integer number (11645718624).

Almost surely, 2^135367197805 is an apocalyptic number.

It is an amenable number.

135367197805 is a deficient number, since it is larger than the sum of its proper divisors (50964300179).

135367197805 is a wasteful number, since it uses less digits than its factorization.

135367197805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14271996.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 135367197805 in words is "one hundred thirty-five billion, three hundred sixty-seven million, one hundred ninety-seven thousand, eight hundred five".