67135257340 has 48 divisors (see below), whose sum is σ = 141681953952. Its totient is φ = 26721467136.

The previous prime is 67135257323. The next prime is 67135257347. The reversal of 67135257340 is 4375253176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67135257347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3754902 + ... + 3772738.

It is an arithmetic number, because the mean of its divisors is an integer number (2951707374).

Almost surely, 2^67135257340 is an apocalyptic number.

It is an amenable number.

67135257340 is an abundant number, since it is smaller than the sum of its proper divisors (74546696612).

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

67135257340 is a wasteful number, since it uses less digits than its factorization.

67135257340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766 (or 18764 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 67135257340 in words is "sixty-seven billion, one hundred thirty-five million, two hundred fifty-seven thousand, three hundred forty".