13531201404 has 24 divisors (see below), whose sum is σ = 36083203968. Its totient is φ = 3866057520.

The previous prime is 13531201403. The next prime is 13531201417. The reversal of 13531201404 is 40410213531.

It is a happy number.

It is a super-2 number, since 2×13531201404² (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 (13531201403) 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, 80542782 + ... + 80542949.

It is an arithmetic number, because the mean of its divisors is an integer number (1503466832).

Almost surely, 2^13531201404 is an apocalyptic number.

13531201404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13531201404 is an abundant number, since it is smaller than the sum of its proper divisors (22552002564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531201404 is a wasteful number, since it uses less digits than its factorization.

13531201404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161085745 (or 161085743 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13531201404 its reverse (40410213531), we get a palindrome (53941414935).

The spelling of 13531201404 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, four hundred four".