136655291137320 has 192 divisors, whose sum is σ = 461604747240000. Its totient is φ = 36360248537088.

The previous prime is 136655291137319. The next prime is 136655291137327. The reversal of 136655291137320 is 23731192556631.

136655291137320 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 552 + 9 + 1 + 13 + 73 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (136655291137327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11291830 + ... + 20020389.

It is an arithmetic number, because the mean of its divisors is an integer number (2404191391875).

Almost surely, 2^{136655291137320} is an apocalyptic number.

136655291137320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136655291137320 is an abundant number, since it is smaller than the sum of its proper divisors (324949456102680).

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

136655291137320 is a wasteful number, since it uses less digits than its factorization.

136655291137320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31312694 (or 31312678 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 54.

The spelling of 136655291137320 in words is "one hundred thirty-six trillion, six hundred fifty-five billion, two hundred ninety-one million, one hundred thirty-seven thousand, three hundred twenty".