136738727524 has 81 divisors (see below), whose sum is σ = 283654170891. Its totient is φ = 57508496640.

The previous prime is 136738727519. The next prime is 136738727549. The reversal of 136738727524 is 425727837631.

The square root of 136738727524 is 369782.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 102649752100 + 34088975424 = 320390^2 + 184632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 315793612 + ... + 315794044.

Almost surely, 2^136738727524 is an apocalyptic number.

136738727524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136738727524 is the 369782-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136738727524

136738727524 is an abundant number, since it is smaller than the sum of its proper divisors (146915443367).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136738727524 is an frugal number, since it uses more digits than its factorization.

136738727524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 503 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 55.

The spelling of 136738727524 in words is "one hundred thirty-six billion, seven hundred thirty-eight million, seven hundred twenty-seven thousand, five hundred twenty-four".