13545215402 has 8 divisors (see below), whose sum is σ = 20332105536. Its totient is φ = 6767846892.

The previous prime is 13545215399. The next prime is 13545215413. The reversal of 13545215402 is 20451254531.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376848 + ... + 2382539.

It is an arithmetic number, because the mean of its divisors is an integer number (2541513192).

Almost surely, 2^13545215402 is an apocalyptic number.

13545215402 is a deficient number, since it is larger than the sum of its proper divisors (6786890134).

13545215402 is a wasteful number, since it uses less digits than its factorization.

13545215402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760812.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 13545215402 its reverse (20451254531), we get a palindrome (33996469933).

The spelling of 13545215402 in words is "thirteen billion, five hundred forty-five million, two hundred fifteen thousand, four hundred two".