133138482331 has 8 divisors (see below), whose sum is σ = 135340556400. Its totient is φ = 130937036640.

The previous prime is 133138482329. The next prime is 133138482377. The reversal of 133138482331 is 133284831331.

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

It is a cyclic number.

It is not a de Polignac number, because 133138482331 - 2¹ = 133138482329 is a prime.

It is a super-2 number, since 2×133138482331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133138482311) 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, 280140 + ... + 587158.

It is an arithmetic number, because the mean of its divisors is an integer number (16917569550).

Almost surely, 2^133138482331 is an apocalyptic number.

133138482331 is a deficient number, since it is larger than the sum of its proper divisors (2202074069).

133138482331 is an equidigital number, since it uses as much as digits as its factorization.

133138482331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314189.

The product of its digits is 124416, while the sum is 40.

The spelling of 133138482331 in words is "one hundred thirty-three billion, one hundred thirty-eight million, four hundred eighty-two thousand, three hundred thirty-one".