40136946333487 has 2 divisors, whose sum is σ = 40136946333488. Its totient is φ = 40136946333486.

The previous prime is 40136946333457. The next prime is 40136946333529. The reversal of 40136946333487 is 78433364963104.

40136946333487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40136946333487 - 2⁷ = 40136946333359 is a prime.

It is a super-2 number, since 2×40136946333487² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40136946333457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20068473166743 + 20068473166744.

It is an arithmetic number, because the mean of its divisors is an integer number (20068473166744).

Almost surely, 2^{40136946333487} is an apocalyptic number.

40136946333487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40136946333487 is an equidigital number, since it uses as much as digits as its factorization.

40136946333487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94058496, while the sum is 61.

The spelling of 40136946333487 in words is "forty trillion, one hundred thirty-six billion, nine hundred forty-six million, three hundred thirty-three thousand, four hundred eighty-seven".