133501745 has 8 divisors (see below), whose sum is σ = 172525416. Its totient is φ = 98585856.

The previous prime is 133501681. The next prime is 133501769. The reversal of 133501745 is 547105331.

It can be written as a sum of positive squares in 4 ways, for example, as 28398241 + 105103504 = 5329^2 + 10252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133501745 - 2⁶ = 133501681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026872 + ... + 1027001.

It is an arithmetic number, because the mean of its divisors is an integer number (21565677).

Almost surely, 2^133501745 is an apocalyptic number.

It is an amenable number.

133501745 is a deficient number, since it is larger than the sum of its proper divisors (39023671).

133501745 is a wasteful number, since it uses less digits than its factorization.

133501745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053891.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 133501745 is about 11554.2955215798. The cubic root of 133501745 is about 511.0879568468.

The spelling of 133501745 in words is "one hundred thirty-three million, five hundred one thousand, seven hundred forty-five".