136734523523 has 16 divisors (see below), whose sum is σ = 149877235200. Its totient is φ = 123970448160.

The previous prime is 136734523433. The next prime is 136734523567. The reversal of 136734523523 is 325325437631.

It is not a de Polignac number, because 136734523523 - 2¹⁰ = 136734522499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136734523423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822038 + ... + 974276.

It is an arithmetic number, because the mean of its divisors is an integer number (9367327200).

Almost surely, 2^136734523523 is an apocalyptic number.

136734523523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

136734523523 is a deficient number, since it is larger than the sum of its proper divisors (13142711677).

136734523523 is a wasteful number, since it uses less digits than its factorization.

136734523523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153482.

The product of its digits is 1360800, while the sum is 44.

The spelling of 136734523523 in words is "one hundred thirty-six billion, seven hundred thirty-four million, five hundred twenty-three thousand, five hundred twenty-three".