139954809066 has 32 divisors (see below), whose sum is σ = 282876950400. Its totient is φ = 46158258240.

The previous prime is 139954809041. The next prime is 139954809101. The reversal of 139954809066 is 660908459931.

139954809066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 312771 + ... + 614601.

It is an arithmetic number, because the mean of its divisors is an integer number (8839904700).

Almost surely, 2^139954809066 is an apocalyptic number.

139954809066 is an abundant number, since it is smaller than the sum of its proper divisors (142922141334).

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

139954809066 is a wasteful number, since it uses less digits than its factorization.

139954809066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302654.

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 139954809066 in words is "one hundred thirty-nine billion, nine hundred fifty-four million, eight hundred nine thousand, sixty-six".