13202140454 has 4 divisors (see below), whose sum is σ = 19803210684. Its totient is φ = 6601070226.

The previous prime is 13202140433. The next prime is 13202140499. The reversal of 13202140454 is 45404120231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45404120231 = 313 ⋅145061087.

It is a super-2 number, since 2×13202140454² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300535112 + ... + 3300535115.

It is an arithmetic number, because the mean of its divisors is an integer number (4950802671).

Almost surely, 2^13202140454 is an apocalyptic number.

13202140454 is a deficient number, since it is larger than the sum of its proper divisors (6601070230).

13202140454 is an equidigital number, since it uses as much as digits as its factorization.

13202140454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601070229.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 13202140454 its reverse (45404120231), we get a palindrome (58606260685).

The spelling of 13202140454 in words is "thirteen billion, two hundred two million, one hundred forty thousand, four hundred fifty-four".