136487617824986 has 8 divisors (see below), whose sum is σ = 215506764986880. Its totient is φ = 64652029496028.

The previous prime is 136487617824953. The next prime is 136487617824989. The reversal of 136487617824986 is 689428716784631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 136487617824986.

It is not an unprimeable number, because it can be changed into a prime (136487617824989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795889708186 + ... + 1795889708261.

It is an arithmetic number, because the mean of its divisors is an integer number (26938345623360).

Almost surely, 2^{136487617824986} is an apocalyptic number.

136487617824986 is a deficient number, since it is larger than the sum of its proper divisors (79019147161894).

136487617824986 is a wasteful number, since it uses less digits than its factorization.

136487617824986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591779416468.

The product of its digits is 4682022912, while the sum is 80.

The spelling of 136487617824986 in words is "one hundred thirty-six trillion, four hundred eighty-seven billion, six hundred seventeen million, eight hundred twenty-four thousand, nine hundred eighty-six".