13899078120 has 192 divisors, whose sum is σ = 43438049280. Its totient is φ = 3555062784.

The previous prime is 13899078107. The next prime is 13899078139. The reversal of 13899078120 is 2187099831.

It is a self number, because there is not a number n which added to its sum of digits gives 13899078120.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88529082 + ... + 88529238.

It is an arithmetic number, because the mean of its divisors is an integer number (226239840).

Almost surely, 2^13899078120 is an apocalyptic number.

13899078120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13899078120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21719024640).

13899078120 is an abundant number, since it is smaller than the sum of its proper divisors (29538971160).

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

13899078120 is a wasteful number, since it uses less digits than its factorization.

13899078120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 13899078120 in words is "thirteen billion, eight hundred ninety-nine million, seventy-eight thousand, one hundred twenty".