136843503453 has 24 divisors (see below), whose sum is σ = 204057734400. Its totient is φ = 88278050880.

The previous prime is 136843503373. The next prime is 136843503499. The reversal of 136843503453 is 354305348631.

It is a happy number.

136843503453 is a `hidden beast` number, since 1 + 3 + 68 + 43 + 503 + 45 + 3 = 666.

It is not a de Polignac number, because 136843503453 - 2⁹ = 136843502941 is a prime.

It is a super-2 number, since 2×136843503453² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136843503399 and 136843503408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136843503053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5230198 + ... + 5256296.

It is an arithmetic number, because the mean of its divisors is an integer number (8502405600).

Almost surely, 2^136843503453 is an apocalyptic number.

It is an amenable number.

136843503453 is a deficient number, since it is larger than the sum of its proper divisors (67214230947).

136843503453 is a wasteful number, since it uses less digits than its factorization.

136843503453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44929 (or 44926 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 136843503453 in words is "one hundred thirty-six billion, eight hundred forty-three million, five hundred three thousand, four hundred fifty-three".