13040316434 has 4 divisors (see below), whose sum is σ = 19560474654. Its totient is φ = 6520158216.

The previous prime is 13040316413. The next prime is 13040316451. The reversal of 13040316434 is 43461304031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43461304031 = 79 ⋅550143089.

It can be written as a sum of positive squares in only one way, i.e., 9361530025 + 3678786409 = 96755^2 + 60653^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13040316397 and 13040316406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260079107 + ... + 3260079110.

Almost surely, 2^13040316434 is an apocalyptic number.

13040316434 is a deficient number, since it is larger than the sum of its proper divisors (6520158220).

13040316434 is an equidigital number, since it uses as much as digits as its factorization.

13040316434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520158219.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 13040316434 in words is "thirteen billion, forty million, three hundred sixteen thousand, four hundred thirty-four".