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135445351 = 715933217
BaseRepresentation
bin10000001001010…
…11101101100111
3100102212100002111
420010223231213
5234133222401
621235021451
73233160256
oct1004535547
9312770074
10135445351
116a501108
123943a887
13220a41a2
1413dba79d
15bd56e51
hex812bb67

135445351 has 8 divisors (see below), whose sum is σ = 137627424. Its totient is φ = 133271040.

The previous prime is 135445327. The next prime is 135445361. The reversal of 135445351 is 153544531.

135445351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135445351 - 217 = 135314279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135445361) 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, 40495 + ... + 43711.

It is an arithmetic number, because the mean of its divisors is an integer number (17203428).

Almost surely, 2135445351 is an apocalyptic number.

135445351 is a deficient number, since it is larger than the sum of its proper divisors (2182073).

135445351 is an equidigital number, since it uses as much as digits as its factorization.

135445351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881.

The product of its digits is 18000, while the sum is 31.

The square root of 135445351 is about 11638.0991145462. The cubic root of 135445351 is about 513.5562681630.

Adding to 135445351 its reverse (153544531), we get a palindrome (288989882).

The spelling of 135445351 in words is "one hundred thirty-five million, four hundred forty-five thousand, three hundred fifty-one".

Divisors: 1 71 593 3217 42103 228407 1907681 135445351