13525621334 has 16 divisors (see below), whose sum is σ = 20377459872. Its totient is φ = 6733165248.

The previous prime is 13525621309. The next prime is 13525621349. The reversal of 13525621334 is 43312652531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13525621294 and 13525621303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031282 + ... + 1044314.

It is an arithmetic number, because the mean of its divisors is an integer number (1273591242).

Almost surely, 2^13525621334 is an apocalyptic number.

13525621334 is a deficient number, since it is larger than the sum of its proper divisors (6851838538).

13525621334 is a wasteful number, since it uses less digits than its factorization.

13525621334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15271.

The product of its digits is 64800, while the sum is 35.

The spelling of 13525621334 in words is "thirteen billion, five hundred twenty-five million, six hundred twenty-one thousand, three hundred thirty-four".