13531246156 has 12 divisors (see below), whose sum is σ = 23738735160. Its totient is φ = 6748750400.

The previous prime is 13531246153. The next prime is 13531246159. The reversal of 13531246156 is 65164213531.

It is an interprime number because it is at equal distance from previous prime (13531246153) and next prime (13531246159).

It is not an unprimeable number, because it can be changed into a prime (13531246153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4216366 + ... + 4219573.

It is an arithmetic number, because the mean of its divisors is an integer number (1978227930).

Almost surely, 2^13531246156 is an apocalyptic number.

It is an amenable number.

13531246156 is a deficient number, since it is larger than the sum of its proper divisors (10207489004).

13531246156 is a wasteful number, since it uses less digits than its factorization.

13531246156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436344 (or 8436342 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

Adding to 13531246156 its reverse (65164213531), we get a palindrome (78695459687).

The spelling of 13531246156 in words is "thirteen billion, five hundred thirty-one million, two hundred forty-six thousand, one hundred fifty-six".