[go: up one dir, main page]

Search a number
-
+
131142134 = 23711871493
BaseRepresentation
bin1111101000100…
…01000111110110
3100010202201012002
413310101013312
5232033022014
621002455302
73151455404
oct764210766
9303681162
10131142134
1168032032
1237b04532
13212285c6
14135ba474
15b7a6dde
hex7d111f6

131142134 has 16 divisors (see below), whose sum is σ = 202335408. Its totient is φ = 63702432.

The previous prime is 131142127. The next prime is 131142163. The reversal of 131142134 is 431241131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87092 + ... + 88584.

It is an arithmetic number, because the mean of its divisors is an integer number (12645963).

Almost surely, 2131142134 is an apocalyptic number.

131142134 is a deficient number, since it is larger than the sum of its proper divisors (71193274).

131142134 is a wasteful number, since it uses less digits than its factorization.

131142134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

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

The square root of 131142134 is about 11451.7306115713. The cubic root of 131142134 is about 508.0589217001.

Adding to 131142134 its reverse (431241131), we get a palindrome (562383265).

The spelling of 131142134 in words is "one hundred thirty-one million, one hundred forty-two thousand, one hundred thirty-four".

Divisors: 1 2 37 74 1187 1493 2374 2986 43919 55241 87838 110482 1772191 3544382 65571067 131142134