136646254472 has 32 divisors (see below), whose sum is σ = 315337512000. Its totient is φ = 54057858624.

The previous prime is 136646254471. The next prime is 136646254487. The reversal of 136646254472 is 274452646631.

It is a super-2 number, since 2×136646254472² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136646254472.

It is not an unprimeable number, because it can be changed into a prime (136646254471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93849722 + ... + 93851177.

It is an arithmetic number, because the mean of its divisors is an integer number (9854297250).

Almost surely, 2^136646254472 is an apocalyptic number.

It is an amenable number.

136646254472 is an abundant number, since it is smaller than the sum of its proper divisors (178691257528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136646254472 is a wasteful number, since it uses less digits than its factorization.

136646254472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187700925 (or 187700921 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 50.

The spelling of 136646254472 in words is "one hundred thirty-six billion, six hundred forty-six million, two hundred fifty-four thousand, four hundred seventy-two".