40136134187 has 2 divisors, whose sum is σ = 40136134188. Its totient is φ = 40136134186.

The previous prime is 40136134079. The next prime is 40136134189. The reversal of 40136134187 is 78143163104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40136134187 - 2¹² = 40136130091 is a prime.

It is a super-2 number, since 2×40136134187² (a number of 22 digits) contains 22 as substring.

Together with 40136134189, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40136134187.

It is not a weakly prime, because it can be changed into another prime (40136134189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20068067093 + 20068067094.

It is an arithmetic number, because the mean of its divisors is an integer number (20068067094).

Almost surely, 2^40136134187 is an apocalyptic number.

40136134187 is a deficient number, since it is larger than the sum of its proper divisors (1).

40136134187 is an equidigital number, since it uses as much as digits as its factorization.

40136134187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 40136134187 in words is "forty billion, one hundred thirty-six million, one hundred thirty-four thousand, one hundred eighty-seven".