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142134131 = 3733711399
BaseRepresentation
bin10000111100011…
…00101101110011
3100220110011101002
420132030231303
5242341243011
622034232215
73344056136
oct1036145563
9326404332
10142134131
117325a527
123b72566b
13235a6849
1414c3c21d
15c728c3b
hex878cb73

142134131 has 8 divisors (see below), whose sum is σ = 146421600. Its totient is φ = 137870208.

The previous prime is 142134103. The next prime is 142134211. The reversal of 142134131 is 131431241.

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 142134131 - 214 = 142117747 is a prime.

It is a super-2 number, since 2×1421341312 = 40404222390250322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142134631) 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, 6770 + ... + 18168.

It is an arithmetic number, because the mean of its divisors is an integer number (18302700).

Almost surely, 2142134131 is an apocalyptic number.

142134131 is a deficient number, since it is larger than the sum of its proper divisors (4287469).

142134131 is a wasteful number, since it uses less digits than its factorization.

142134131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11773.

The product of its digits is 288, while the sum is 20.

The square root of 142134131 is about 11922.0019711456. The cubic root of 142134131 is about 521.8745594364.

Adding to 142134131 its reverse (131431241), we get a palindrome (273565372).

The spelling of 142134131 in words is "one hundred forty-two million, one hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 37 337 11399 12469 421763 3841463 142134131