133040775 has 48 divisors (see below), whose sum is σ = 252785408. Its totient is φ = 60480000.

The previous prime is 133040773. The next prime is 133040797. The reversal of 133040775 is 577040331.

It is not a de Polignac number, because 133040775 - 2¹ = 133040773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133040773) 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, 110175 + ... + 111375.

Almost surely, 2^133040775 is an apocalyptic number.

133040775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133040775 is a deficient number, since it is larger than the sum of its proper divisors (119744633).

133040775 is a wasteful number, since it uses less digits than its factorization.

133040775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 133040775 is about 11534.3302796478. The cubic root of 133040775 is about 510.4990309585.

The spelling of 133040775 in words is "one hundred thirty-three million, forty thousand, seven hundred seventy-five".