136381404371 has 16 divisors (see below), whose sum is σ = 146949132288. Its totient is φ = 126202903200.

The previous prime is 136381404361. The next prime is 136381404377. The reversal of 136381404371 is 173404183631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136381404371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136381404377) 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, 2302985 + ... + 2361461.

It is an arithmetic number, because the mean of its divisors is an integer number (9184320768).

Almost surely, 2^136381404371 is an apocalyptic number.

136381404371 is a deficient number, since it is larger than the sum of its proper divisors (10567727917).

136381404371 is a wasteful number, since it uses less digits than its factorization.

136381404371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61802.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 136381404371 in words is "one hundred thirty-six billion, three hundred eighty-one million, four hundred four thousand, three hundred seventy-one".