133860807 has 6 divisors (see below), whose sum is σ = 193354512. Its totient is φ = 89240532.

The previous prime is 133860791. The next prime is 133860809. The reversal of 133860807 is 708068331.

133860807 is a `hidden beast` number, since 13 + 38 + 608 + 0 + 7 = 666.

It is not a de Polignac number, because 133860807 - 2⁴ = 133860791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133860809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7436703 + ... + 7436720.

It is an arithmetic number, because the mean of its divisors is an integer number (32225752).

Almost surely, 2^133860807 is an apocalyptic number.

133860807 is a deficient number, since it is larger than the sum of its proper divisors (59493705).

133860807 is a wasteful number, since it uses less digits than its factorization.

133860807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14873429 (or 14873426 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 133860807 is about 11569.8231187862. The cubic root of 133860807 is about 511.5457485820.

The spelling of 133860807 in words is "one hundred thirty-three million, eight hundred sixty thousand, eight hundred seven".