14148781920 has 1344 divisors, whose sum is σ = 65152733184. Its totient is φ = 2821754880.

The previous prime is 14148781903. The next prime is 14148781937. The reversal of 14148781920 is 2918784141.

14148781920 is a `hidden beast` number, since 1 + 4 + 1 + 487 + 81 + 92 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (14148781903) and next prime (14148781937).

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 223 ways as a sum of consecutive naturals, for example, 329041419 + ... + 329041461.

It is an arithmetic number, because the mean of its divisors is an integer number (48476736).

Almost surely, 2^14148781920 is an apocalyptic number.

14148781920 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 14148781920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32576366592).

14148781920 is an abundant number, since it is smaller than the sum of its proper divisors (51003951264).

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

14148781920 is a wasteful number, since it uses less digits than its factorization.

14148781920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 14148781920 in words is "fourteen billion, one hundred forty-eight million, seven hundred eighty-one thousand, nine hundred twenty".