135667891358 has 4 divisors (see below), whose sum is σ = 203501837040. Its totient is φ = 67833945678.

The previous prime is 135667891357. The next prime is 135667891369. The reversal of 135667891358 is 853198766531.

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 135667891358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135667891357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33916972838 + ... + 33916972841.

It is an arithmetic number, because the mean of its divisors is an integer number (50875459260).

Almost surely, 2^135667891358 is an apocalyptic number.

135667891358 is a deficient number, since it is larger than the sum of its proper divisors (67833945682).

135667891358 is an equidigital number, since it uses as much as digits as its factorization.

135667891358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67833945681.

The product of its digits is 32659200, while the sum is 62.

The spelling of 135667891358 in words is "one hundred thirty-five billion, six hundred sixty-seven million, eight hundred ninety-one thousand, three hundred fifty-eight".