139203430812 has 36 divisors (see below), whose sum is σ = 363226159296. Its totient is φ = 44904332160.

The previous prime is 139203430811. The next prime is 139203430867. The reversal of 139203430812 is 218034302931.

139203430812 is a `hidden beast` number, since 1 + 3 + 9 + 203 + 430 + 8 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139203430811) 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 11 ways as a sum of consecutive naturals, for example, 62366013 + ... + 62368244.

It is an arithmetic number, because the mean of its divisors is an integer number (10089615536).

Almost surely, 2^139203430812 is an apocalyptic number.

139203430812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139203430812 is an abundant number, since it is smaller than the sum of its proper divisors (224022728484).

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

139203430812 is a wasteful number, since it uses less digits than its factorization.

139203430812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124734298 (or 124734293 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 139203430812 in words is "one hundred thirty-nine billion, two hundred three million, four hundred thirty thousand, eight hundred twelve".