136991553360 has 40 divisors (see below), whose sum is σ = 424673816160. Its totient is φ = 36531080832.

The previous prime is 136991553323. The next prime is 136991553367. The reversal of 136991553360 is 63355199631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136991553367) 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, 285398830 + ... + 285399309.

It is an arithmetic number, because the mean of its divisors is an integer number (10616845404).

Almost surely, 2^136991553360 is an apocalyptic number.

136991553360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136991553360 is an abundant number, since it is smaller than the sum of its proper divisors (287682262800).

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

136991553360 is a wasteful number, since it uses less digits than its factorization.

136991553360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570798155 (or 570798149 counting only the distinct ones).

The product of its (nonzero) digits is 1968300, while the sum is 51.

The spelling of 136991553360 in words is "one hundred thirty-six billion, nine hundred ninety-one million, five hundred fifty-three thousand, three hundred sixty".