13531040435 has 64 divisors (see below), whose sum is σ = 19218912768. Its totient is φ = 9035520000.

The previous prime is 13531040431. The next prime is 13531040441. The reversal of 13531040435 is 53404013531.

It is not a de Polignac number, because 13531040435 - 2² = 13531040431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13531040398 and 13531040407.

It is not an unprimeable number, because it can be changed into a prime (13531040431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7470680 + ... + 7472490.

It is an arithmetic number, because the mean of its divisors is an integer number (300295512).

Almost surely, 2^13531040435 is an apocalyptic number.

13531040435 is a deficient number, since it is larger than the sum of its proper divisors (5687872333).

13531040435 is a wasteful number, since it uses less digits than its factorization.

13531040435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13531040435 its reverse (53404013531), we get a palindrome (66935053966).

The spelling of 13531040435 in words is "thirteen billion, five hundred thirty-one million, forty thousand, four hundred thirty-five".