13531453154 has 4 divisors (see below), whose sum is σ = 20297179734. Its totient is φ = 6765726576.

The previous prime is 13531453141. The next prime is 13531453171. The reversal of 13531453154 is 45135413531.

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., 13118266225 + 413186929 = 114535^2 + 20327^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382863287 + ... + 3382863290.

Almost surely, 2^13531453154 is an apocalyptic number.

13531453154 is a deficient number, since it is larger than the sum of its proper divisors (6765726580).

13531453154 is an equidigital number, since it uses as much as digits as its factorization.

13531453154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765726579.

The product of its digits is 54000, while the sum is 35.

Adding to 13531453154 its reverse (45135413531), we get a palindrome (58666866685).

The spelling of 13531453154 in words is "thirteen billion, five hundred thirty-one million, four hundred fifty-three thousand, one hundred fifty-four".