13525313402 has 8 divisors (see below), whose sum is σ = 20308866912. Its totient is φ = 6755691100.

The previous prime is 13525313387. The next prime is 13525313443. The reversal of 13525313402 is 20431352531.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3480374 + ... + 3484257.

It is an arithmetic number, because the mean of its divisors is an integer number (2538608364).

Almost surely, 2^13525313402 is an apocalyptic number.

13525313402 is a deficient number, since it is larger than the sum of its proper divisors (6783553510).

13525313402 is an equidigital number, since it uses as much as digits as its factorization.

13525313402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965604.

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

Adding to 13525313402 its reverse (20431352531), we get a palindrome (33956665933).

The spelling of 13525313402 in words is "thirteen billion, five hundred twenty-five million, three hundred thirteen thousand, four hundred two".