13945913136 has 60 divisors (see below), whose sum is σ = 39199713280. Its totient is φ = 4628327040.

The previous prime is 13945913101. The next prime is 13945913141. The reversal of 13945913136 is 63131954931.

13945913136 is a `hidden beast` number, since 1 + 39 + 459 + 131 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13945913091 and 13945913100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178480 + ... + 244431.

Almost surely, 2^13945913136 is an apocalyptic number.

13945913136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13945913136 is an abundant number, since it is smaller than the sum of its proper divisors (25253800144).

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

13945913136 is a wasteful number, since it uses less digits than its factorization.

13945913136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423154 (or 423145 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The spelling of 13945913136 in words is "thirteen billion, nine hundred forty-five million, nine hundred thirteen thousand, one hundred thirty-six".