136773470534640 has 320 divisors, whose sum is σ = 451176231980160. Its totient is φ = 34209980743680.

The previous prime is 136773470534629. The next prime is 136773470534641. The reversal of 136773470534640 is 46435074377631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136773470534641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164656032 + ... + 165484608.

It is an arithmetic number, because the mean of its divisors is an integer number (1409925724938).

Almost surely, 2^{136773470534640} is an apocalyptic number.

136773470534640 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 136773470534640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225588115990080).

136773470534640 is an abundant number, since it is smaller than the sum of its proper divisors (314402761445520).

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

136773470534640 is a wasteful number, since it uses less digits than its factorization.

136773470534640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829300 (or 829294 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 60.

The spelling of 136773470534640 in words is "one hundred thirty-six trillion, seven hundred seventy-three billion, four hundred seventy million, five hundred thirty-four thousand, six hundred forty".