133856495 has 4 divisors (see below), whose sum is σ = 160627800. Its totient is φ = 107085192.

The previous prime is 133856477. The next prime is 133856531. The reversal of 133856495 is 594658331.

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 133856495 - 2¹⁴ = 133840111 is a prime.

It is a super-2 number, since 2×133856495² = 35835122507370050, which contains 22 as substring.

It is a congruent number.

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, 13385645 + ... + 13385654.

It is an arithmetic number, because the mean of its divisors is an integer number (40156950).

Almost surely, 2^133856495 is an apocalyptic number.

133856495 is a deficient number, since it is larger than the sum of its proper divisors (26771305).

133856495 is an equidigital number, since it uses as much as digits as its factorization.

133856495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26771304.

The product of its digits is 388800, while the sum is 44.

The square root of 133856495 is about 11569.6367704436. The cubic root of 133856495 is about 511.5402557894.

The spelling of 133856495 in words is "one hundred thirty-three million, eight hundred fifty-six thousand, four hundred ninety-five".