139894698208 has 48 divisors (see below), whose sum is σ = 279291272400. Its totient is φ = 68970443776.

The previous prime is 139894698191. The next prime is 139894698211. The reversal of 139894698208 is 802896498931.

It is a super-2 number, since 2×139894698208² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546135 + ... + 760297.

It is an arithmetic number, because the mean of its divisors is an integer number (5818568175).

Almost surely, 2^139894698208 is an apocalyptic number.

It is an amenable number.

139894698208 is a deficient number, since it is larger than the sum of its proper divisors (139396574192).

139894698208 is a wasteful number, since it uses less digits than its factorization.

139894698208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214459 (or 214451 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 67.

The spelling of 139894698208 in words is "one hundred thirty-nine billion, eight hundred ninety-four million, six hundred ninety-eight thousand, two hundred eight".