136400563365 has 32 divisors (see below), whose sum is σ = 238174041600. Its totient is φ = 66107757120.

The previous prime is 136400563297. The next prime is 136400563373. The reversal of 136400563365 is 563365004631.

It is not a de Polignac number, because 136400563365 - 2²⁵ = 136367008933 is a prime.

It is a super-2 number, since 2×136400563365² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265266 + ... + 585804.

It is an arithmetic number, because the mean of its divisors is an integer number (7442938800).

Almost surely, 2^136400563365 is an apocalyptic number.

136400563365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136400563365 is a deficient number, since it is larger than the sum of its proper divisors (101773478235).

136400563365 is a wasteful number, since it uses less digits than its factorization.

136400563365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323137.

The product of its (nonzero) digits is 583200, while the sum is 42.

Adding to 136400563365 its reverse (563365004631), we get a palindrome (699765567996).

The spelling of 136400563365 in words is "one hundred thirty-six billion, four hundred million, five hundred sixty-three thousand, three hundred sixty-five".