139654346191936 has 63 divisors (see below), whose sum is σ = 292483629079959. Its totient is φ = 66151207859328.

The previous prime is 139654346191909. The next prime is 139654346191999. The reversal of 139654346191936 is 639191643456931.

The square root of 139654346191936 is 11817544.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1796227815 + ... + 1796305561.

Almost surely, 2^{139654346191936} is an apocalyptic number.

139654346191936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

139654346191936 is the 11817544-th square number.

It is an amenable number.

139654346191936 is an abundant number, since it is smaller than the sum of its proper divisors (152829282888023).

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

139654346191936 is an frugal number, since it uses more digits than its factorization.

139654346191936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155544 (or 77768 counting only the distinct ones).

The product of its digits is 340122240, while the sum is 70.

The spelling of 139654346191936 in words is "one hundred thirty-nine trillion, six hundred fifty-four billion, three hundred forty-six million, one hundred ninety-one thousand, nine hundred thirty-six".