136553253723 has 24 divisors (see below), whose sum is σ = 209559838800. Its totient is φ = 85520764224.

The previous prime is 136553253689. The next prime is 136553253737. The reversal of 136553253723 is 327352355631.

136553253723 is a `hidden beast` number, since 1 + 3 + 6 + 553 + 25 + 3 + 72 + 3 = 666.

It is not a de Polignac number, because 136553253723 - 2⁶ = 136553253659 is a prime.

It is a super-2 number, since 2×136553253723² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136553253223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7060513 + ... + 7079826.

It is an arithmetic number, because the mean of its divisors is an integer number (8731659950).

Almost surely, 2^136553253723 is an apocalyptic number.

136553253723 is a deficient number, since it is larger than the sum of its proper divisors (73006585077).

136553253723 is a wasteful number, since it uses less digits than its factorization.

136553253723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14140411 (or 14140408 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 45.

The spelling of 136553253723 in words is "one hundred thirty-six billion, five hundred fifty-three million, two hundred fifty-three thousand, seven hundred twenty-three".