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142367137 = 1112942467
BaseRepresentation
bin10000111110001…
…01100110100001
3100220212222222221
420133011212201
5242421222022
622043231041
73346046353
oct1037054641
9326788887
10142367137
11733a95a0
123b818481
1323658913
1414c9d0d3
15c772cc7
hex87c59a1

142367137 has 4 divisors (see below), whose sum is σ = 155309616. Its totient is φ = 129424660.

The previous prime is 142367131. The next prime is 142367149. The reversal of 142367137 is 731763241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142367137 is a prime.

It is a super-3 number, since 3×1423671373 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142367131) 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 3 ways as a sum of consecutive naturals, for example, 6471223 + ... + 6471244.

It is an arithmetic number, because the mean of its divisors is an integer number (38827404).

Almost surely, 2142367137 is an apocalyptic number.

It is an amenable number.

142367137 is a deficient number, since it is larger than the sum of its proper divisors (12942479).

142367137 is a wasteful number, since it uses less digits than its factorization.

142367137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12942478.

The product of its digits is 21168, while the sum is 34.

The square root of 142367137 is about 11931.7700698597. The cubic root of 142367137 is about 522.1595801545.

The spelling of 142367137 in words is "one hundred forty-two million, three hundred sixty-seven thousand, one hundred thirty-seven".

Divisors: 1 11 12942467 142367137