133054387 has 8 divisors (see below), whose sum is σ = 137772032. Its totient is φ = 128363400.

The previous prime is 133054373. The next prime is 133054421. The reversal of 133054387 is 783450331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133054387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133054487) 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, 3778 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (17221504).

Almost surely, 2^133054387 is an apocalyptic number.

133054387 is a deficient number, since it is larger than the sum of its proper divisors (4717645).

133054387 is a wasteful number, since it uses less digits than its factorization.

133054387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13329.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 133054387 is about 11534.9203291570. The cubic root of 133054387 is about 510.5164408486.

The spelling of 133054387 in words is "one hundred thirty-three million, fifty-four thousand, three hundred eighty-seven".