133023135382 has 4 divisors (see below), whose sum is σ = 199534703076. Its totient is φ = 66511567690.

The previous prime is 133023135337. The next prime is 133023135383. The reversal of 133023135382 is 283531320331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023135383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33255783844 + ... + 33255783847.

It is an arithmetic number, because the mean of its divisors is an integer number (49883675769).

Almost surely, 2^133023135382 is an apocalyptic number.

133023135382 is a deficient number, since it is larger than the sum of its proper divisors (66511567694).

133023135382 is an equidigital number, since it uses as much as digits as its factorization.

133023135382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66511567693.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 133023135382 in words is "one hundred thirty-three billion, twenty-three million, one hundred thirty-five thousand, three hundred eighty-two".