13421265152 has 36 divisors (see below), whose sum is σ = 27514179756. Its totient is φ = 6529259520.

The previous prime is 13421265139. The next prime is 13421265161. The reversal of 13421265152 is 25156212431.

It can be written as a sum of positive squares in 2 ways, for example, as 12944978176 + 476286976 = 113776^2 + 21824^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698999 + ... + 717942.

It is an arithmetic number, because the mean of its divisors is an integer number (764282771).

Almost surely, 2^13421265152 is an apocalyptic number.

It is an amenable number.

13421265152 is an abundant number, since it is smaller than the sum of its proper divisors (14092914604).

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

13421265152 is an equidigital number, since it uses as much as digits as its factorization.

13421265152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416994 (or 1416980 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 13421265152 its reverse (25156212431), we get a palindrome (38577477583).

The spelling of 13421265152 in words is "thirteen billion, four hundred twenty-one million, two hundred sixty-five thousand, one hundred fifty-two".