133753851 has 48 divisors (see below), whose sum is σ = 242131968. Its totient is φ = 69120000.

The previous prime is 133753831. The next prime is 133753859. The reversal of 133753851 is 158357331.

It is a happy number.

It is not a de Polignac number, because 133753851 - 2⁵ = 133753819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133753859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177726 + ... + 178476.

It is an arithmetic number, because the mean of its divisors is an integer number (5044416).

Almost surely, 2^133753851 is an apocalyptic number.

133753851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133753851 is a deficient number, since it is larger than the sum of its proper divisors (108378117).

133753851 is a wasteful number, since it uses less digits than its factorization.

133753851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1029 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 133753851 is about 11565.1999982707. The cubic root of 133753851 is about 511.4094690470.

The spelling of 133753851 in words is "one hundred thirty-three million, seven hundred fifty-three thousand, eight hundred fifty-one".