13934658906 has 240 divisors, whose sum is σ = 39710829312. Its totient is φ = 3625171200.

The previous prime is 13934658893. The next prime is 13934658961. The reversal of 13934658906 is 60985643931.

13934658906 is a `hidden beast` number, since 1 + 3 + 93 + 465 + 8 + 90 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4181661 + ... + 4184991.

Almost surely, 2^13934658906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13934658906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19855414656).

13934658906 is an abundant number, since it is smaller than the sum of its proper divisors (25776170406).

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

13934658906 is a wasteful number, since it uses less digits than its factorization.

13934658906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 13934658906 in words is "thirteen billion, nine hundred thirty-four million, six hundred fifty-eight thousand, nine hundred six".