133573834 has 16 divisors (see below), whose sum is σ = 209381760. Its totient is φ = 63788560.

The previous prime is 133573831. The next prime is 133573841. The reversal of 133573834 is 438375331.

It is a junction number, because it is equal to n+sod(n) for n = 133573793 and 133573802.

It is not an unprimeable number, because it can be changed into a prime (133573831) 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, 36864 + ... + 40324.

It is an arithmetic number, because the mean of its divisors is an integer number (13086360).

Almost surely, 2^133573834 is an apocalyptic number.

133573834 is a deficient number, since it is larger than the sum of its proper divisors (75807926).

133573834 is a wasteful number, since it uses less digits than its factorization.

133573834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325.

The product of its digits is 90720, while the sum is 37.

The square root of 133573834 is about 11557.4146763020. The cubic root of 133573834 is about 511.1799336471.

The spelling of 133573834 in words is "one hundred thirty-three million, five hundred seventy-three thousand, eight hundred thirty-four".