13751377920 has 504 divisors, whose sum is σ = 55234825776. Its totient is φ = 3100114944.

The previous prime is 13751377919. The next prime is 13751377943. The reversal of 13751377920 is 2977315731.

It is a tau number, because it is divible by the number of its divisors (504).

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 35 ways as a sum of consecutive naturals, for example, 188375004 + ... + 188375076.

Almost surely, 2^13751377920 is an apocalyptic number.

13751377920 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 13751377920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27617412888).

13751377920 is an abundant number, since it is smaller than the sum of its proper divisors (41483447856).

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

13751377920 is an frugal number, since it uses more digits than its factorization.

13751377920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The spelling of 13751377920 in words is "thirteen billion, seven hundred fifty-one million, three hundred seventy-seven thousand, nine hundred twenty".