136588052821 has 4 divisors (see below), whose sum is σ = 149005148544. Its totient is φ = 124170957100.

The previous prime is 136588052819. The next prime is 136588052857. The reversal of 136588052821 is 128250885631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136588052821 - 2¹ = 136588052819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136588002821) 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 3 ways as a sum of consecutive naturals, for example, 6208547845 + ... + 6208547866.

It is an arithmetic number, because the mean of its divisors is an integer number (37251287136).

Almost surely, 2^136588052821 is an apocalyptic number.

136588052821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136588052821 is a deficient number, since it is larger than the sum of its proper divisors (12417095723).

136588052821 is a wasteful number, since it uses less digits than its factorization.

136588052821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417095722.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 136588052821 in words is "one hundred thirty-six billion, five hundred eighty-eight million, fifty-two thousand, eight hundred twenty-one".