136454063685 has 16 divisors (see below), whose sum is σ = 219665932224. Its totient is φ = 72329023872.

The previous prime is 136454063611. The next prime is 136454063687. The reversal of 136454063685 is 586360454631.

It is not a de Polignac number, because 136454063685 - 2⁹ = 136454063173 is a prime.

It is a super-2 number, since 2×136454063685² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136454063687) 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, 27902272 + ... + 27907161.

It is an arithmetic number, because the mean of its divisors is an integer number (13729120764).

Almost surely, 2^136454063685 is an apocalyptic number.

136454063685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136454063685 is a deficient number, since it is larger than the sum of its proper divisors (83211868539).

136454063685 is a wasteful number, since it uses less digits than its factorization.

136454063685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55809604.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 136454063685 in words is "one hundred thirty-six billion, four hundred fifty-four million, sixty-three thousand, six hundred eighty-five".