133501738 has 8 divisors (see below), whose sum is σ = 200513988. Its totient is φ = 66663744.

The previous prime is 133501681. The next prime is 133501769. The reversal of 133501738 is 837105331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133471809 + 29929 = 11553^2 + 173^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41631 + ... + 44722.

Almost surely, 2^133501738 is an apocalyptic number.

133501738 is a deficient number, since it is larger than the sum of its proper divisors (67012250).

133501738 is an equidigital number, since it uses as much as digits as its factorization.

133501738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87128.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 133501738 is about 11554.2952186622. The cubic root of 133501738 is about 511.0879479141.

The spelling of 133501738 in words is "one hundred thirty-three million, five hundred one thousand, seven hundred thirty-eight".