135231000213 has 16 divisors (see below), whose sum is σ = 180512470656. Its totient is φ = 90051823680.

The previous prime is 135231000193. The next prime is 135231000253. The reversal of 135231000213 is 312000132531.

It is not a de Polignac number, because 135231000213 - 2²⁶ = 135163891349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135231000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135231000253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13468231 + ... + 13478267.

It is an arithmetic number, because the mean of its divisors is an integer number (11282029416).

Almost surely, 2^135231000213 is an apocalyptic number.

It is an amenable number.

135231000213 is a deficient number, since it is larger than the sum of its proper divisors (45281470443).

135231000213 is a wasteful number, since it uses less digits than its factorization.

135231000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14684.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 135231000213 its reverse (312000132531), we get a palindrome (447231132744).

The spelling of 135231000213 in words is "one hundred thirty-five billion, two hundred thirty-one million, two hundred thirteen", and thus it is an aban number.