139216793400 has 72 divisors (see below), whose sum is σ = 467536403880. Its totient is φ = 37124477760.

The previous prime is 139216793399. The next prime is 139216793437. The reversal of 139216793400 is 4397612931.

139216793400 is a `hidden beast` number, since 13 + 92 + 1 + 67 + 93 + 400 = 666.

139216793400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38669532 + ... + 38673131.

It is an arithmetic number, because the mean of its divisors is an integer number (6493561165).

Almost surely, 2^139216793400 is an apocalyptic number.

139216793400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139216793400 is an abundant number, since it is smaller than the sum of its proper divisors (328319610480).

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

139216793400 is a wasteful number, since it uses less digits than its factorization.

139216793400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77342685 (or 77342673 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 139216793400 in words is "one hundred thirty-nine billion, two hundred sixteen million, seven hundred ninety-three thousand, four hundred".