134790878138 has 8 divisors (see below), whose sum is σ = 231070076832. Its totient is φ = 57767519196.

The previous prime is 134790878093. The next prime is 134790878143. The reversal of 134790878138 is 831878097431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4813959920 + ... + 4813959947.

It is an arithmetic number, because the mean of its divisors is an integer number (28883759604).

Almost surely, 2^134790878138 is an apocalyptic number.

134790878138 is a deficient number, since it is larger than the sum of its proper divisors (96279198694).

134790878138 is an equidigital number, since it uses as much as digits as its factorization.

134790878138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627919876.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 134790878138 in words is "one hundred thirty-four billion, seven hundred ninety million, eight hundred seventy-eight thousand, one hundred thirty-eight".