13149071936 has 336 divisors, whose sum is σ = 36140794368. Its totient is φ = 4616663040.

The previous prime is 13149071933. The next prime is 13149071959. The reversal of 13149071936 is 63917094131.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (13149071933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33120890 + ... + 33121286.

It is an arithmetic number, because the mean of its divisors is an integer number (107561888).

Almost surely, 2^13149071936 is an apocalyptic number.

13149071936 is a gapful number since it is divisible by the number (16) 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 13149071936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18070397184).

13149071936 is an abundant number, since it is smaller than the sum of its proper divisors (22991722432).

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

13149071936 is a wasteful number, since it uses less digits than its factorization.

13149071936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 13149071936 in words is "thirteen billion, one hundred forty-nine million, seventy-one thousand, nine hundred thirty-six".