136387728508164 has 48 divisors (see below), whose sum is σ = 363888763233408. Its totient is φ = 38947763086848.

The previous prime is 136387728508127. The next prime is 136387728508267. The reversal of 136387728508164 is 461805827783631.

It is a super-2 number, since 2×136387728508164² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419822997 + ... + 420147740.

It is an arithmetic number, because the mean of its divisors is an integer number (7581015900696).

Almost surely, 2^{136387728508164} is an apocalyptic number.

136387728508164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

136387728508164 is an abundant number, since it is smaller than the sum of its proper divisors (227501034725244).

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

136387728508164 is a wasteful number, since it uses less digits than its factorization.

136387728508164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839972684 (or 839972682 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 69.

The spelling of 136387728508164 in words is "one hundred thirty-six trillion, three hundred eighty-seven billion, seven hundred twenty-eight million, five hundred eight thousand, one hundred sixty-four".