133741631 has 8 divisors (see below), whose sum is σ = 139590864. Its totient is φ = 128015680.

The previous prime is 133741609. The next prime is 133741633. The reversal of 133741631 is 136147331.

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 133741631 - 2²⁶ = 66632767 is a prime.

It is a super-2 number, since 2×133741631² = 35773647725080322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133741594 and 133741603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133741633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28601 + ... + 32946.

It is an arithmetic number, because the mean of its divisors is an integer number (17448858).

Almost surely, 2^133741631 is an apocalyptic number.

133741631 is a deficient number, since it is larger than the sum of its proper divisors (5849233).

133741631 is an equidigital number, since it uses as much as digits as its factorization.

133741631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61641.

The product of its digits is 4536, while the sum is 29.

The square root of 133741631 is about 11564.6716771381. The cubic root of 133741631 is about 511.3938941333.

Adding to 133741631 its reverse (136147331), we get a palindrome (269888962).

The spelling of 133741631 in words is "one hundred thirty-three million, seven hundred forty-one thousand, six hundred thirty-one".