133886764460 has 24 divisors (see below), whose sum is σ = 283741679760. Its totient is φ = 53063377344.

The previous prime is 133886764457. The next prime is 133886764469. The reversal of 133886764460 is 64467688331.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133886764396 and 133886764405.

It is not an unprimeable number, because it can be changed into a prime (133886764469) 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, 30705794 + ... + 30710153.

It is an arithmetic number, because the mean of its divisors is an integer number (11822569990).

Almost surely, 2^133886764460 is an apocalyptic number.

133886764460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133886764460 is an abundant number, since it is smaller than the sum of its proper divisors (149854915300).

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

133886764460 is a wasteful number, since it uses less digits than its factorization.

133886764460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61416065 (or 61416063 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 133886764460 in words is "one hundred thirty-three billion, eight hundred eighty-six million, seven hundred sixty-four thousand, four hundred sixty".