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142135413 = 376768353
BaseRepresentation
bin10000111100011…
…01000001110101
3100220110020010120
420132031001311
5242341313123
622034242153
73344062650
oct1036150165
9326406116
10142135413
1173260492
123b726359
13235a72c4
1414c3c897
15c7292e3
hex878d075

142135413 has 8 divisors (see below), whose sum is σ = 216587328. Its totient is φ = 81220224.

The previous prime is 142135373. The next prime is 142135459. The reversal of 142135413 is 314531241.

It is a happy number.

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

It is not a de Polignac number, because 142135413 - 213 = 142127221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142135493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3384156 + ... + 3384197.

It is an arithmetic number, because the mean of its divisors is an integer number (27073416).

Almost surely, 2142135413 is an apocalyptic number.

It is an amenable number.

142135413 is a deficient number, since it is larger than the sum of its proper divisors (74451915).

142135413 is an equidigital number, since it uses as much as digits as its factorization.

142135413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768363.

The product of its digits is 1440, while the sum is 24.

The square root of 142135413 is about 11922.0557371621. The cubic root of 142135413 is about 521.8761284735.

Adding to 142135413 its reverse (314531241), we get a palindrome (456666654).

The spelling of 142135413 in words is "one hundred forty-two million, one hundred thirty-five thousand, four hundred thirteen".

Divisors: 1 3 7 21 6768353 20305059 47378471 142135413