64134620141 has 4 divisors (see below), whose sum is σ = 64167494784. Its totient is φ = 64101745500.

The previous prime is 64134620131. The next prime is 64134620167. The reversal of 64134620141 is 14102643146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64134620141 - 2²² = 64130425837 is a prime.

It is a super-2 number, since 2×64134620141² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64134620098 and 64134620107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64134620131) 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 3 ways as a sum of consecutive naturals, for example, 16434395 + ... + 16438296.

It is an arithmetic number, because the mean of its divisors is an integer number (16041873696).

Almost surely, 2^64134620141 is an apocalyptic number.

It is an amenable number.

64134620141 is a deficient number, since it is larger than the sum of its proper divisors (32874643).

64134620141 is a wasteful number, since it uses less digits than its factorization.

64134620141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32874642.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 64134620141 in words is "sixty-four billion, one hundred thirty-four million, six hundred twenty thousand, one hundred forty-one".