135623400184503 has 48 divisors (see below), whose sum is σ = 247679536845312. Its totient is φ = 69461408520000.

The previous prime is 135623400184463. The next prime is 135623400184507. The reversal of 135623400184503 is 305481004326531.

135623400184503 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 23 + 40 + 0 + 1 + 84 + 503 = 666.

It is not a de Polignac number, because 135623400184503 - 2²⁴ = 135623383407287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135623400184507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1378153348 + ... + 1378251753.

It is an arithmetic number, because the mean of its divisors is an integer number (5159990350944).

Almost surely, 2^{135623400184503} is an apocalyptic number.

135623400184503 is a deficient number, since it is larger than the sum of its proper divisors (112056136660809).

135623400184503 is a wasteful number, since it uses less digits than its factorization.

135623400184503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756405196 (or 2756405193 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 135623400184503 in words is "one hundred thirty-five trillion, six hundred twenty-three billion, four hundred million, one hundred eighty-four thousand, five hundred three".