13402150521 has 8 divisors (see below), whose sum is σ = 17870231904. Its totient is φ = 8934418080.

The previous prime is 13402150507. The next prime is 13402150523. The reversal of 13402150521 is 12505120431.

It is a happy number.

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

It is not a de Polignac number, because 13402150521 - 2⁹ = 13402150009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13402150491 and 13402150500.

It is not an unprimeable number, because it can be changed into a prime (13402150523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21886 + ... + 165176.

It is an arithmetic number, because the mean of its divisors is an integer number (2233778988).

Almost surely, 2^13402150521 is an apocalyptic number.

It is an amenable number.

13402150521 is a deficient number, since it is larger than the sum of its proper divisors (4468081383).

13402150521 is a wasteful number, since it uses less digits than its factorization.

13402150521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174471.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 13402150521 its reverse (12505120431), we get a palindrome (25907270952).

The spelling of 13402150521 in words is "thirteen billion, four hundred two million, one hundred fifty thousand, five hundred twenty-one".