134423620653 has 24 divisors (see below), whose sum is σ = 211349875008. Its totient is φ = 75761251776.

The previous prime is 134423620649. The next prime is 134423620663. The reversal of 134423620653 is 356026324431.

It is not a de Polignac number, because 134423620653 - 2² = 134423620649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134423620663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6252601 + ... + 6274062.

It is an arithmetic number, because the mean of its divisors is an integer number (8806244792).

Almost surely, 2^134423620653 is an apocalyptic number.

It is an amenable number.

134423620653 is a deficient number, since it is larger than the sum of its proper divisors (76926254355).

134423620653 is a wasteful number, since it uses less digits than its factorization.

134423620653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12526753 (or 12526746 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 134423620653 in words is "one hundred thirty-four billion, four hundred twenty-three million, six hundred twenty thousand, six hundred fifty-three".