64136313106542 has 16 divisors (see below), whose sum is σ = 142525140236880. Its totient is φ = 21378771035496.

The previous prime is 64136313106471. The next prime is 64136313106543. The reversal of 64136313106542 is 24560131363146.

64136313106542 is a `hidden beast` number, since 6 + 4 + 1 + 3 + 631 + 3 + 1 + 0 + 6 + 5 + 4 + 2 = 666.

64136313106542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64136313106542² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64136313106543) 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 in 7 ways as a sum of consecutive naturals, for example, 593854750933 + ... + 593854751040.

It is an arithmetic number, because the mean of its divisors is an integer number (8907821264805).

Almost surely, 2^{64136313106542} is an apocalyptic number.

64136313106542 is an abundant number, since it is smaller than the sum of its proper divisors (78388827130338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64136313106542 is a wasteful number, since it uses less digits than its factorization.

64136313106542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187709501984 (or 1187709501978 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

Adding to 64136313106542 its reverse (24560131363146), we get a palindrome (88696444469688).

The spelling of 64136313106542 in words is "sixty-four trillion, one hundred thirty-six billion, three hundred thirteen million, one hundred six thousand, five hundred forty-two".