133457705 has 16 divisors (see below), whose sum is σ = 167279040. Its totient is φ = 102111552.

The previous prime is 133457689. The next prime is 133457713. The reversal of 133457705 is 507754331.

It is a cyclic number.

It is not a de Polignac number, because 133457705 - 2⁴ = 133457689 is a prime.

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, 4802 + ... + 17028.

It is an arithmetic number, because the mean of its divisors is an integer number (10454940).

Almost surely, 2^133457705 is an apocalyptic number.

It is an amenable number.

133457705 is a deficient number, since it is larger than the sum of its proper divisors (33821335).

133457705 is a wasteful number, since it uses less digits than its factorization.

133457705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 133457705 is about 11552.3895796497. The cubic root of 133457705 is about 511.0317508671.

The spelling of 133457705 in words is "one hundred thirty-three million, four hundred fifty-seven thousand, seven hundred five".