13531140002 has 4 divisors (see below), whose sum is σ = 20296710006. Its totient is φ = 6765570000.

The previous prime is 13531140001. The next prime is 13531140013. The reversal of 13531140002 is 20004113531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10227074641 + 3304065361 = 101129^2 + 57481^2 .

It is not an unprimeable number, because it can be changed into a prime (13531140001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382784999 + ... + 3382785002.

Almost surely, 2^13531140002 is an apocalyptic number.

13531140002 is a deficient number, since it is larger than the sum of its proper divisors (6765570004).

13531140002 is an equidigital number, since it uses as much as digits as its factorization.

13531140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765570003.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13531140002 its reverse (20004113531), we get a palindrome (33535253533).

The spelling of 13531140002 in words is "thirteen billion, five hundred thirty-one million, one hundred forty thousand, two".