67136454942 has 16 divisors (see below), whose sum is σ = 136474105872. Its totient is φ = 22011952320.

The previous prime is 67136454941. The next prime is 67136454977. The reversal of 67136454942 is 24945463176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67136454941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91716103 + ... + 91716834.

It is an arithmetic number, because the mean of its divisors is an integer number (8529631617).

Almost surely, 2^67136454942 is an apocalyptic number.

67136454942 is an abundant number, since it is smaller than the sum of its proper divisors (69337650930).

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

67136454942 is a wasteful number, since it uses less digits than its factorization.

67136454942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183433003.

The product of its digits is 4354560, while the sum is 51.

The spelling of 67136454942 in words is "sixty-seven billion, one hundred thirty-six million, four hundred fifty-four thousand, nine hundred forty-two".