13149077760 has 1152 divisors, whose sum is σ = 59502965760. Its totient is φ = 2675441664.

The previous prime is 13149077719. The next prime is 13149077761. The reversal of 13149077760 is 6777094131.

It is a happy number.

13149077760 is a `hidden beast` number, since 1 + 31 + 490 + 7 + 77 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149077761) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 116363464 + ... + 116363576.

It is an arithmetic number, because the mean of its divisors is an integer number (51651880).

Almost surely, 2^13149077760 is an apocalyptic number.

13149077760 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 13149077760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29751482880).

13149077760 is an abundant number, since it is smaller than the sum of its proper divisors (46353888000).

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

13149077760 is a wasteful number, since it uses less digits than its factorization.

13149077760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 13149077760 in words is "thirteen billion, one hundred forty-nine million, seventy-seven thousand, seven hundred sixty".