136915362978 has 8 divisors (see below), whose sum is σ = 273830725968. Its totient is φ = 45638454324.

The previous prime is 136915362937. The next prime is 136915363031. The reversal of 136915362978 is 879263519631.

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

136915362978 is an admirable number.

It is a Curzon number.

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, 11409613576 + ... + 11409613587.

It is an arithmetic number, because the mean of its divisors is an integer number (34228840746).

Almost surely, 2^136915362978 is an apocalyptic number.

136915362978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136915362978 is a wasteful number, since it uses less digits than its factorization.

136915362978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22819227168.

The product of its digits is 14696640, while the sum is 60.

The spelling of 136915362978 in words is "one hundred thirty-six billion, nine hundred fifteen million, three hundred sixty-two thousand, nine hundred seventy-eight".