136217688452 has 12 divisors (see below), whose sum is σ = 238405251840. Its totient is φ = 68101902216.

The previous prime is 136217688449. The next prime is 136217688457. The reversal of 136217688452 is 254886712631.

It is a super-2 number, since 2×136217688452² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136217688394 and 136217688403.

It is not an unprimeable number, because it can be changed into a prime (136217688457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691228 + ... + 1769939.

It is an arithmetic number, because the mean of its divisors is an integer number (19867104320).

Almost surely, 2^136217688452 is an apocalyptic number.

It is an amenable number.

136217688452 is a deficient number, since it is larger than the sum of its proper divisors (102187563388).

136217688452 is a wasteful number, since it uses less digits than its factorization.

136217688452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471010 (or 3471008 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 136217688452 in words is "one hundred thirty-six billion, two hundred seventeen million, six hundred eighty-eight thousand, four hundred fifty-two".