136396973358 has 32 divisors (see below), whose sum is σ = 320934057120. Its totient is φ = 42791207040.

The previous prime is 136396973357. The next prime is 136396973371. The reversal of 136396973358 is 853379693631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136396973295 and 136396973304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136396973351) 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, 74289373 + ... + 74291208.

It is an arithmetic number, because the mean of its divisors is an integer number (10029189285).

Almost surely, 2^136396973358 is an apocalyptic number.

136396973358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136396973358 is an abundant number, since it is smaller than the sum of its proper divisors (184537083762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136396973358 is a wasteful number, since it uses less digits than its factorization.

136396973358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148580609 (or 148580603 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 63.

The spelling of 136396973358 in words is "one hundred thirty-six billion, three hundred ninety-six million, nine hundred seventy-three thousand, three hundred fifty-eight".