136403272980 has 576 divisors, whose sum is σ = 496440741888. Its totient is φ = 29990338560.

The previous prime is 136403272961. The next prime is 136403272987. The reversal of 136403272980 is 89272304631.

136403272980 is a `hidden beast` number, since 1 + 36 + 4 + 0 + 327 + 298 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136403272987) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 65357497 + ... + 65359583.

It is an arithmetic number, because the mean of its divisors is an integer number (861876288).

Almost surely, 2^136403272980 is an apocalyptic number.

136403272980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136403272980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248220370944).

136403272980 is an abundant number, since it is smaller than the sum of its proper divisors (360037468908).

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

136403272980 is a wasteful number, since it uses less digits than its factorization.

136403272980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 136403272980 in words is "one hundred thirty-six billion, four hundred three million, two hundred seventy-two thousand, nine hundred eighty".