13240400102 has 4 divisors (see below), whose sum is σ = 19860600156. Its totient is φ = 6620200050.

The previous prime is 13240400101. The next prime is 13240400137. The reversal of 13240400102 is 20100404231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20100404231 = 86209 ⋅233159.

It is a super-2 number, since 2×13240400102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240400101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310100024 + ... + 3310100027.

It is an arithmetic number, because the mean of its divisors is an integer number (4965150039).

Almost surely, 2^13240400102 is an apocalyptic number.

13240400102 is a deficient number, since it is larger than the sum of its proper divisors (6620200054).

13240400102 is an equidigital number, since it uses as much as digits as its factorization.

13240400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620200053.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 13240400102 its reverse (20100404231), we get a palindrome (33340804333).

The spelling of 13240400102 in words is "thirteen billion, two hundred forty million, four hundred thousand, one hundred two".