136220043672 has 48 divisors (see below), whose sum is σ = 368999325240. Its totient is φ = 45398060928.

The previous prime is 136220043611. The next prime is 136220043683. The reversal of 136220043672 is 276340022631.

136220043672 is a `hidden beast` number, since 13 + 6 + 2 + 200 + 436 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208068 + ... + 561900.

Almost surely, 2^136220043672 is an apocalyptic number.

136220043672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136220043672 is an abundant number, since it is smaller than the sum of its proper divisors (232779281568).

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

136220043672 is a wasteful number, since it uses less digits than its factorization.

136220043672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359192 (or 359185 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 136220043672 in words is "one hundred thirty-six billion, two hundred twenty million, forty-three thousand, six hundred seventy-two".