13442540434 has 8 divisors (see below), whose sum is σ = 20193596748. Its totient is φ = 6711341520.

The previous prime is 13442540387. The next prime is 13442540437. The reversal of 13442540434 is 43404524431.

It can be written as a sum of positive squares in 2 ways, for example, as 13410334809 + 32205625 = 115803^2 + 5675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13442540434.

It is not an unprimeable number, because it can be changed into a prime (13442540437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4962657 + ... + 4965364.

Almost surely, 2^13442540434 is an apocalyptic number.

13442540434 is a deficient number, since it is larger than the sum of its proper divisors (6751056314).

13442540434 is an equidigital number, since it uses as much as digits as its factorization.

13442540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928700.

The product of its (nonzero) digits is 92160, while the sum is 34.

The spelling of 13442540434 in words is "thirteen billion, four hundred forty-two million, five hundred forty thousand, four hundred thirty-four".