139803669412 has 24 divisors (see below), whose sum is σ = 266967544032. Its totient is φ = 63530544000.

The previous prime is 139803669371. The next prime is 139803669419. The reversal of 139803669412 is 214966308931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 139803669412.

It is not an unprimeable number, because it can be changed into a prime (139803669419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243093 + ... + 581980.

It is an arithmetic number, because the mean of its divisors is an integer number (11123647668).

Almost surely, 2^139803669412 is an apocalyptic number.

It is an amenable number.

139803669412 is a deficient number, since it is larger than the sum of its proper divisors (127163874620).

139803669412 is a wasteful number, since it uses less digits than its factorization.

139803669412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828939 (or 828937 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 139803669412 in words is "one hundred thirty-nine billion, eight hundred three million, six hundred sixty-nine thousand, four hundred twelve".