Search a number
-
+
133145351 = 2937124087
BaseRepresentation
bin1111110111110…
…10001100000111
3100021112111002022
413323322030013
5233041122401
621113433355
73204500603
oct773721407
9307474068
10133145351
1169180089
123870b85b
132177a341
141397c503
15ba5071b
hex7efa307

133145351 has 8 divisors (see below), whose sum is σ = 141460320. Its totient is φ = 125078688.

The previous prime is 133145347. The next prime is 133145393. The reversal of 133145351 is 153541331.

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 133145351 - 22 = 133145347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133145351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133145251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60971 + ... + 63116.

It is an arithmetic number, because the mean of its divisors is an integer number (17682540).

Almost surely, 2133145351 is an apocalyptic number.

133145351 is a deficient number, since it is larger than the sum of its proper divisors (8314969).

133145351 is a wasteful number, since it uses less digits than its factorization.

133145351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124153.

The product of its digits is 2700, while the sum is 26.

The square root of 133145351 is about 11538.8626389259. The cubic root of 133145351 is about 510.6327542847.

Adding to 133145351 its reverse (153541331), we get a palindrome (286686682).

The spelling of 133145351 in words is "one hundred thirty-three million, one hundred forty-five thousand, three hundred fifty-one".

Divisors: 1 29 37 1073 124087 3598523 4591219 133145351