137735821816066 has 8 divisors (see below), whose sum is σ = 206611789726224. Its totient is φ = 68865225240660.

The previous prime is 137735821816063. The next prime is 137735821816091. The reversal of 137735821816066 is 660618128537731.

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

It is a super-2 number, since 2×137735821816066² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137735821815989 and 137735821816007.

It is not an unprimeable number, because it can be changed into a prime (137735821816063) 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, 1342769580 + ... + 1342872151.

It is an arithmetic number, because the mean of its divisors is an integer number (25826473715778).

Almost surely, 2^{137735821816066} is an apocalyptic number.

137735821816066 is a deficient number, since it is larger than the sum of its proper divisors (68875967910158).

137735821816066 is a wasteful number, since it uses less digits than its factorization.

137735821816066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685667376.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 137735821816066 in words is "one hundred thirty-seven trillion, seven hundred thirty-five billion, eight hundred twenty-one million, eight hundred sixteen thousand, sixty-six".