13946308920 has 64 divisors (see below), whose sum is σ = 46487700000. Its totient is φ = 3719015424.

The previous prime is 13946308889. The next prime is 13946308933. The reversal of 13946308920 is 2980364931.

It is a happy number.

13946308920 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 630 + 8 + 9 + 2 + 0 = 666.

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 15 ways as a sum of consecutive naturals, for example, 6455545 + ... + 6457704.

Almost surely, 2^13946308920 is an apocalyptic number.

13946308920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13946308920 is an abundant number, since it is smaller than the sum of its proper divisors (32541391080).

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

13946308920 is a wasteful number, since it uses less digits than its factorization.

13946308920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913269 (or 12913259 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 13946308920 in words is "thirteen billion, nine hundred forty-six million, three hundred eight thousand, nine hundred twenty".