67140535 has 32 divisors (see below), whose sum is σ = 102528000. Its totient is φ = 41842080.

The previous prime is 67140527. The next prime is 67140551. The reversal of 67140535 is 53504176.

It is not a de Polignac number, because 67140535 - 2³ = 67140527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67140497 and 67140506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17086 + ... + 20644.

It is an arithmetic number, because the mean of its divisors is an integer number (3204000).

Almost surely, 2^67140535 is an apocalyptic number.

67140535 is a deficient number, since it is larger than the sum of its proper divisors (35387465).

67140535 is a wasteful number, since it uses less digits than its factorization.

67140535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 67140535 is about 8193.9328164197. The cubic root of 67140535 is about 406.4385866826.

The spelling of 67140535 in words is "sixty-seven million, one hundred forty thousand, five hundred thirty-five".