133005320136 has 64 divisors (see below), whose sum is σ = 397879171200. Its totient is φ = 40924713024.

The previous prime is 133005320101. The next prime is 133005320167. The reversal of 133005320136 is 631023500331.

It is a happy number.

133005320136 is a `hidden beast` number, since 1 + 3 + 300 + 5 + 320 + 1 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23680476 + ... + 23686091.

It is an arithmetic number, because the mean of its divisors is an integer number (6216862050).

Almost surely, 2^133005320136 is an apocalyptic number.

It is an amenable number.

133005320136 is an abundant number, since it is smaller than the sum of its proper divisors (264873851064).

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

133005320136 is a wasteful number, since it uses less digits than its factorization.

133005320136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47366595 (or 47366585 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

Adding to 133005320136 its reverse (631023500331), we get a palindrome (764028820467).

The spelling of 133005320136 in words is "one hundred thirty-three billion, five million, three hundred twenty thousand, one hundred thirty-six".