13530040156 has 24 divisors (see below), whose sum is σ = 23974199424. Its totient is φ = 6680346480.

The previous prime is 13530040109. The next prime is 13530040159. The reversal of 13530040156 is 65104003531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530040159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792001 + ... + 808903.

It is an arithmetic number, because the mean of its divisors is an integer number (998924976).

Almost surely, 2^13530040156 is an apocalyptic number.

It is an amenable number.

13530040156 is a deficient number, since it is larger than the sum of its proper divisors (10444159268).

13530040156 is a wasteful number, since it uses less digits than its factorization.

13530040156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19401 (or 19399 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 13530040156 its reverse (65104003531), we get a palindrome (78634043687).

The spelling of 13530040156 in words is "thirteen billion, five hundred thirty million, forty thousand, one hundred fifty-six".