136371791 has 8 divisors (see below), whose sum is σ = 139877760. Its totient is φ = 132881112.

The previous prime is 136371749. The next prime is 136371793. The reversal of 136371791 is 197173631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136371791 - 2¹⁴ = 136355407 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 (136371793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15470 + ... + 22628.

It is an arithmetic number, because the mean of its divisors is an integer number (17484720).

Almost surely, 2^136371791 is an apocalyptic number.

136371791 is a deficient number, since it is larger than the sum of its proper divisors (3505969).

136371791 is an equidigital number, since it uses as much as digits as its factorization.

136371791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645.

The product of its digits is 23814, while the sum is 38.

The square root of 136371791 is about 11677.8333178719. The cubic root of 136371791 is about 514.7245090807.

The spelling of 136371791 in words is "one hundred thirty-six million, three hundred seventy-one thousand, seven hundred ninety-one".