133406207 has 8 divisors (see below), whose sum is σ = 147920592. Its totient is φ = 119289600.

The previous prime is 133406183. The next prime is 133406213. The reversal of 133406207 is 702604331.

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 133406207 - 2¹⁶ = 133340671 is a prime.

It is a super-2 number, since 2×133406207² = 35594432132253698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133406267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98738 + ... + 100079.

It is an arithmetic number, because the mean of its divisors is an integer number (18490074).

Almost surely, 2^133406207 is an apocalyptic number.

133406207 is a deficient number, since it is larger than the sum of its proper divisors (14514385).

133406207 is a wasteful number, since it uses less digits than its factorization.

133406207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198889.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 133406207 is about 11550.1604750757. The cubic root of 133406207 is about 510.9660109413.

The spelling of 133406207 in words is "one hundred thirty-three million, four hundred six thousand, two hundred seven".