133640435373 has 8 divisors (see below), whose sum is σ = 178290074208. Its totient is φ = 89042210064.

The previous prime is 133640435347. The next prime is 133640435387. The reversal of 133640435373 is 373534046331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133640435373 - 2¹³ = 133640427181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133640435573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12847315 + ... + 12857712.

It is an arithmetic number, because the mean of its divisors is an integer number (22286259276).

Almost surely, 2^133640435373 is an apocalyptic number.

It is an amenable number.

133640435373 is a deficient number, since it is larger than the sum of its proper divisors (44649638835).

133640435373 is a wasteful number, since it uses less digits than its factorization.

133640435373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25706763.

The product of its (nonzero) digits is 816480, while the sum is 42.

The spelling of 133640435373 in words is "one hundred thirty-three billion, six hundred forty million, four hundred thirty-five thousand, three hundred seventy-three".