67140509224 has 8 divisors (see below), whose sum is σ = 125888454810. Its totient is φ = 33570254608.

The previous prime is 67140509207. The next prime is 67140509243. The reversal of 67140509224 is 42290504176.

It can be written as a sum of positive squares in only one way, i.e., 66142581124 + 997928100 = 257182^2 + 31590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4196281819 + ... + 4196281834.

Almost surely, 2^67140509224 is an apocalyptic number.

It is an amenable number.

67140509224 is a deficient number, since it is larger than the sum of its proper divisors (58747945586).

67140509224 is a wasteful number, since it uses less digits than its factorization.

67140509224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392563659 (or 8392563655 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 67140509224 in words is "sixty-seven billion, one hundred forty million, five hundred nine thousand, two hundred twenty-four".