133992727 has 4 divisors (see below), whose sum is σ = 146173896. Its totient is φ = 121811560.

The previous prime is 133992701. The next prime is 133992737. The reversal of 133992727 is 727299331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133992727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133992737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6090568 + ... + 6090589.

It is an arithmetic number, because the mean of its divisors is an integer number (36543474).

Almost surely, 2^133992727 is an apocalyptic number.

133992727 is a deficient number, since it is larger than the sum of its proper divisors (12181169).

133992727 is a wasteful number, since it uses less digits than its factorization.

133992727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181168.

The product of its digits is 142884, while the sum is 43.

The square root of 133992727 is about 11575.5227527745. The cubic root of 133992727 is about 511.7137364109.

The spelling of 133992727 in words is "one hundred thirty-three million, nine hundred ninety-two thousand, seven hundred twenty-seven".