136983934191 has 8 divisors (see below), whose sum is σ = 196694879920. Its totient is φ = 84297805632.

The previous prime is 136983934189. The next prime is 136983934201. The reversal of 136983934191 is 191439389631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136983934191 - 2¹ = 136983934189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136983934091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756204246 + ... + 1756204323.

It is an arithmetic number, because the mean of its divisors is an integer number (24586859990).

Almost surely, 2^136983934191 is an apocalyptic number.

136983934191 is a deficient number, since it is larger than the sum of its proper divisors (59710945729).

136983934191 is a wasteful number, since it uses less digits than its factorization.

136983934191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512408585.

The product of its digits is 3779136, while the sum is 57.

The spelling of 136983934191 in words is "one hundred thirty-six billion, nine hundred eighty-three million, nine hundred thirty-four thousand, one hundred ninety-one".