133687363 has 4 divisors (see below), whose sum is σ = 140723560. Its totient is φ = 126651168.

The previous prime is 133687357. The next prime is 133687373. The reversal of 133687363 is 363786331.

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

It is a cyclic number.

It is not a de Polignac number, because 133687363 - 2⁹ = 133686851 is a prime.

It is a super-2 number, since 2×133687363² = 35744622051787538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133687313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3518070 + ... + 3518107.

It is an arithmetic number, because the mean of its divisors is an integer number (35180890).

Almost surely, 2^133687363 is an apocalyptic number.

133687363 is a deficient number, since it is larger than the sum of its proper divisors (7036197).

133687363 is an equidigital number, since it uses as much as digits as its factorization.

133687363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036196.

The product of its digits is 163296, while the sum is 40.

The square root of 133687363 is about 11562.3251554348. The cubic root of 133687363 is about 511.3247157776.

The spelling of 133687363 in words is "one hundred thirty-three million, six hundred eighty-seven thousand, three hundred sixty-three".