139703668477566 has 96 divisors (see below), whose sum is σ = 305168793418368. Its totient is φ = 42596926107840.

The previous prime is 139703668477543. The next prime is 139703668477649. The reversal of 139703668477566 is 665774866307931.

It is a happy number.

It is a super-2 number, since 2×139703668477566² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139703668477491 and 139703668477500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3845161 + ... + 17152043.

It is an arithmetic number, because the mean of its divisors is an integer number (3178841598108).

Almost surely, 2^{139703668477566} is an apocalyptic number.

139703668477566 is an abundant number, since it is smaller than the sum of its proper divisors (165465124940802).

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

139703668477566 is a wasteful number, since it uses less digits than its factorization.

139703668477566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13307094 (or 13307075 counting only the distinct ones).

The product of its (nonzero) digits is 5761082880, while the sum is 78.

The spelling of 139703668477566 in words is "one hundred thirty-nine trillion, seven hundred three billion, six hundred sixty-eight million, four hundred seventy-seven thousand, five hundred sixty-six".