133235390952 has 48 divisors (see below), whose sum is σ = 369237623040. Its totient is φ = 43378963488.

The previous prime is 133235390917. The next prime is 133235390969. The reversal of 133235390952 is 259093532331.

133235390952 is a `hidden beast` number, since 1 + 3 + 3 + 23 + 539 + 0 + 95 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 133235390898 and 133235390907.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21514248 + ... + 21520439.

It is an arithmetic number, because the mean of its divisors is an integer number (7692450480).

Almost surely, 2^133235390952 is an apocalyptic number.

133235390952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133235390952 is an abundant number, since it is smaller than the sum of its proper divisors (236002232088).

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

133235390952 is a wasteful number, since it uses less digits than its factorization.

133235390952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43034742 (or 43034735 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 45.

The spelling of 133235390952 in words is "one hundred thirty-three billion, two hundred thirty-five million, three hundred ninety thousand, nine hundred fifty-two".