136366755261530 has 16 divisors (see below), whose sum is σ = 253924302901320. Its totient is φ = 52665781342272.

The previous prime is 136366755261491. The next prime is 136366755261637. The reversal of 136366755261530 is 35162557663631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95740804186729 + 40625951074801 = 9784723^2 + 6373849^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136366755261530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235115094989 + ... + 235115095568.

Almost surely, 2^{136366755261530} is an apocalyptic number.

136366755261530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136366755261530 is a deficient number, since it is larger than the sum of its proper divisors (117557547639790).

136366755261530 is a wasteful number, since it uses less digits than its factorization.

136366755261530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470230190593.

The product of its (nonzero) digits is 61236000, while the sum is 59.

The spelling of 136366755261530 in words is "one hundred thirty-six trillion, three hundred sixty-six billion, seven hundred fifty-five million, two hundred sixty-one thousand, five hundred thirty".