133753605 has 16 divisors (see below), whose sum is σ = 214785024. Its totient is φ = 71075520.

The previous prime is 133753583. The next prime is 133753619. The reversal of 133753605 is 506357331.

It is not a de Polignac number, because 133753605 - 2¹⁰ = 133752581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11941 + ... + 20250.

It is an arithmetic number, because the mean of its divisors is an integer number (13424064).

Almost surely, 2^133753605 is an apocalyptic number.

133753605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133753605 is a deficient number, since it is larger than the sum of its proper divisors (81031419).

133753605 is a wasteful number, since it uses less digits than its factorization.

133753605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32476.

The product of its (nonzero) digits is 28350, while the sum is 33.

The square root of 133753605 is about 11565.1893629114. The cubic root of 133753605 is about 511.4091555188.

The spelling of 133753605 in words is "one hundred thirty-three million, seven hundred fifty-three thousand, six hundred five".