133870027 has 4 divisors (see below), whose sum is σ = 135169840. Its totient is φ = 132570216.

The previous prime is 133870021. The next prime is 133870031. The reversal of 133870027 is 720078331.

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-133870027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133870021) 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, 649752 + ... + 649957.

It is an arithmetic number, because the mean of its divisors is an integer number (33792460).

Almost surely, 2^133870027 is an apocalyptic number.

133870027 is a deficient number, since it is larger than the sum of its proper divisors (1299813).

133870027 is a wasteful number, since it uses less digits than its factorization.

133870027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299812.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 133870027 is about 11570.2215622692. The cubic root of 133870027 is about 511.5574929793.

The spelling of 133870027 in words is "one hundred thirty-three million, eight hundred seventy thousand, twenty-seven".