13959422500 has 135 divisors (see below), whose sum is σ = 32662739109. Its totient is φ = 5217504000.

The previous prime is 13959422489. The next prime is 13959422507. The reversal of 13959422500 is 522495931.

The square root of 13959422500 is 118150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 6817144356 + 7142278144 = 82566^2 + 84512^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13959422507) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 100427431 + ... + 100427569.

Almost surely, 2^13959422500 is an apocalyptic number.

13959422500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13959422500 is the 118150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13959422500

13959422500 is an abundant number, since it is smaller than the sum of its proper divisors (18703316609).

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

13959422500 is an equidigital number, since it uses as much as digits as its factorization.

13959422500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 13959422500 in words is "thirteen billion, nine hundred fifty-nine million, four hundred twenty-two thousand, five hundred".